Home / 156,201,260.51-215,559,489.56-89,229,084.14

Finding the Fourth Proportional to 156,201,260.51, 215,559,489.56 and 89,229,084.14

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Solution

The fourth proportional to 156,201,260.51, 215,559,489.56 and 89,229,084.14 is: 123,137,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,201,260.51 : 215,559,489.56 = 89,229,084.14 : x
  2. Step 2: Convert to fraction form
    156,201,260.51/215,559,489.56 = 89,229,084.14/x
  3. Step 3: Cross multiply
    156,201,260.51x = 215,559,489.56 × 89,229,084.14
  4. Step 4: Simplify right side
    156,201,260.51x = 19,234,175,829,600,752
  5. Step 5: Solve for x
    x = 19,234,175,829,600,752/156,201,260.51
  6. Step 6: Final answer
    x = 123,137,135.82

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Why These Related Problems?

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