Home / 145,307,458.20-217,837,737.96-67,629,470.52

Finding the Fourth Proportional to 145,307,458.20, 217,837,737.96 and 67,629,470.52

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Solution

The fourth proportional to 145,307,458.20, 217,837,737.96 and 67,629,470.52 is: 101,386,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,307,458.20 : 217,837,737.96 = 67,629,470.52 : x
  2. Step 2: Convert to fraction form
    145,307,458.20/217,837,737.96 = 67,629,470.52/x
  3. Step 3: Cross multiply
    145,307,458.20x = 217,837,737.96 × 67,629,470.52
  4. Step 4: Simplify right side
    145,307,458.20x = 14,732,250,877,509,304
  5. Step 5: Solve for x
    x = 14,732,250,877,509,304/145,307,458.20
  6. Step 6: Final answer
    x = 101,386,749.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.