Home / 73,720,369.81-101,754,347.48-42,790,503.61

Finding the Fourth Proportional to 73,720,369.81, 101,754,347.48 and 42,790,503.61

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Solution

The fourth proportional to 73,720,369.81, 101,754,347.48 and 42,790,503.61 is: 59,062,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,720,369.81 : 101,754,347.48 = 42,790,503.61 : x
  2. Step 2: Convert to fraction form
    73,720,369.81/101,754,347.48 = 42,790,503.61/x
  3. Step 3: Cross multiply
    73,720,369.81x = 101,754,347.48 × 42,790,503.61
  4. Step 4: Simplify right side
    73,720,369.81x = 4,354,119,773,176,134.50
  5. Step 5: Solve for x
    x = 4,354,119,773,176,134.50/73,720,369.81
  6. Step 6: Final answer
    x = 59,062,641.50

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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.