Home / 71,938,458.48-99,275,002.32-38,898,628.68

Finding the Fourth Proportional to 71,938,458.48, 99,275,002.32 and 38,898,628.68

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Solution

The fourth proportional to 71,938,458.48, 99,275,002.32 and 38,898,628.68 is: 53,680,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,938,458.48 : 99,275,002.32 = 38,898,628.68 : x
  2. Step 2: Convert to fraction form
    71,938,458.48/99,275,002.32 = 38,898,628.68/x
  3. Step 3: Cross multiply
    71,938,458.48x = 99,275,002.32 × 38,898,628.68
  4. Step 4: Simplify right side
    71,938,458.48x = 3,861,661,452,451,818
  5. Step 5: Solve for x
    x = 3,861,661,452,451,818/71,938,458.48
  6. Step 6: Final answer
    x = 53,680,069.52

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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.