Home / 102,137,064.75-140,784,495.53-69,085,260.45

Finding the Fourth Proportional to 102,137,064.75, 140,784,495.53 and 69,085,260.45

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Solution

The fourth proportional to 102,137,064.75, 140,784,495.53 and 69,085,260.45 is: 95,226,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,137,064.75 : 140,784,495.53 = 69,085,260.45 : x
  2. Step 2: Convert to fraction form
    102,137,064.75/140,784,495.53 = 69,085,260.45/x
  3. Step 3: Cross multiply
    102,137,064.75x = 140,784,495.53 × 69,085,260.45
  4. Step 4: Simplify right side
    102,137,064.75x = 9,726,133,540,666,486
  5. Step 5: Solve for x
    x = 9,726,133,540,666,486/102,137,064.75
  6. Step 6: Final answer
    x = 95,226,287.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.