Home / 145,152,004.80-217,728,007.20-49,413,892.80

Finding the Fourth Proportional to 145,152,004.80, 217,728,007.20 and 49,413,892.80

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Solution

The fourth proportional to 145,152,004.80, 217,728,007.20 and 49,413,892.80 is: 74,120,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,004.80 : 217,728,007.20 = 49,413,892.80 : x
  2. Step 2: Convert to fraction form
    145,152,004.80/217,728,007.20 = 49,413,892.80/x
  3. Step 3: Cross multiply
    145,152,004.80x = 217,728,007.20 × 49,413,892.80
  4. Step 4: Simplify right side
    145,152,004.80x = 10,758,788,407,338,426
  5. Step 5: Solve for x
    x = 10,758,788,407,338,426/145,152,004.80
  6. Step 6: Final answer
    x = 74,120,839.20

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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.