Home / 91,776,186.40-137,664,279.60-64,305,133.60

Finding the Fourth Proportional to 91,776,186.40, 137,664,279.60 and 64,305,133.60

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Solution

The fourth proportional to 91,776,186.40, 137,664,279.60 and 64,305,133.60 is: 96,457,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776,186.40 : 137,664,279.60 = 64,305,133.60 : x
  2. Step 2: Convert to fraction form
    91,776,186.40/137,664,279.60 = 64,305,133.60/x
  3. Step 3: Cross multiply
    91,776,186.40x = 137,664,279.60 × 64,305,133.60
  4. Step 4: Simplify right side
    91,776,186.40x = 8,852,519,891,625,754
  5. Step 5: Solve for x
    x = 8,852,519,891,625,754/91,776,186.40
  6. Step 6: Final answer
    x = 96,457,700.40

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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.