Home / 91,570,176,171.15-137,355,264,256.72-76,876,895,403.15

Finding the Fourth Proportional to 91,570,176,171.15, 137,355,264,256.72 and 76,876,895,403.15

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Solution

The fourth proportional to 91,570,176,171.15, 137,355,264,256.72 and 76,876,895,403.15 is: 115,315,343,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570,176,171.15 : 137,355,264,256.72 = 76,876,895,403.15 : x
  2. Step 2: Convert to fraction form
    91,570,176,171.15/137,355,264,256.72 = 76,876,895,403.15/x
  3. Step 3: Cross multiply
    91,570,176,171.15x = 137,355,264,256.72 × 76,876,895,403.15
  4. Step 4: Simplify right side
    91,570,176,171.15x = 10,559,446,283,335,889,846,272
  5. Step 5: Solve for x
    x = 10,559,446,283,335,889,846,272/91,570,176,171.15
  6. Step 6: Final answer
    x = 115,315,343,104.72

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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.