Home / 146,689,772.88-202,387,741.08-87,930,998.76

Finding the Fourth Proportional to 146,689,772.88, 202,387,741.08 and 87,930,998.76

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Solution

The fourth proportional to 146,689,772.88, 202,387,741.08 and 87,930,998.76 is: 121,318,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,689,772.88 : 202,387,741.08 = 87,930,998.76 : x
  2. Step 2: Convert to fraction form
    146,689,772.88/202,387,741.08 = 87,930,998.76/x
  3. Step 3: Cross multiply
    146,689,772.88x = 202,387,741.08 × 87,930,998.76
  4. Step 4: Simplify right side
    146,689,772.88x = 17,796,156,209,944,684
  5. Step 5: Solve for x
    x = 17,796,156,209,944,684/146,689,772.88
  6. Step 6: Final answer
    x = 121,318,315.93

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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.