Home / 91,570,840,430.40-137,356,260,645.60-76,877,559,662.40

Finding the Fourth Proportional to 91,570,840,430.40, 137,356,260,645.60 and 76,877,559,662.40

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Solution

The fourth proportional to 91,570,840,430.40, 137,356,260,645.60 and 76,877,559,662.40 is: 115,316,339,493.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,840,430.40 : 137,356,260,645.60 = 76,877,559,662.40 : x
  2. Step 2: Convert to fraction form
    91,570,840,430.40/137,356,260,645.60 = 76,877,559,662.40/x
  3. Step 3: Cross multiply
    91,570,840,430.40x = 137,356,260,645.60 × 76,877,559,662.40
  4. Step 4: Simplify right side
    91,570,840,430.40x = 10,559,614,122,786,279,129,088
  5. Step 5: Solve for x
    x = 10,559,614,122,786,279,129,088/91,570,840,430.40
  6. Step 6: Final answer
    x = 115,316,339,493.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.