Home / 71,852,399.23-99,156,347.16-38,812,646.65

Finding the Fourth Proportional to 71,852,399.23, 99,156,347.16 and 38,812,646.65

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Solution

The fourth proportional to 71,852,399.23, 99,156,347.16 and 38,812,646.65 is: 53,561,471.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,852,399.23 : 99,156,347.16 = 38,812,646.65 : x
  2. Step 2: Convert to fraction form
    71,852,399.23/99,156,347.16 = 38,812,646.65/x
  3. Step 3: Cross multiply
    71,852,399.23x = 99,156,347.16 × 38,812,646.65
  4. Step 4: Simplify right side
    71,852,399.23x = 3,848,520,265,425,810.50
  5. Step 5: Solve for x
    x = 3,848,520,265,425,810.50/71,852,399.23
  6. Step 6: Final answer
    x = 53,561,471.94

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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.