Home / 64,577,072.87-89,113,793.69-38,123,947.71

Finding the Fourth Proportional to 64,577,072.87, 89,113,793.69 and 38,123,947.71

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Solution

The fourth proportional to 64,577,072.87, 89,113,793.69 and 38,123,947.71 is: 52,609,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577,072.87 : 89,113,793.69 = 38,123,947.71 : x
  2. Step 2: Convert to fraction form
    64,577,072.87/89,113,793.69 = 38,123,947.71/x
  3. Step 3: Cross multiply
    64,577,072.87x = 89,113,793.69 × 38,123,947.71
  4. Step 4: Simplify right side
    64,577,072.87x = 3,397,369,610,686,668.50
  5. Step 5: Solve for x
    x = 3,397,369,610,686,668.50/64,577,072.87
  6. Step 6: Final answer
    x = 52,609,532.45

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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.