Home / 242,712,004.80-364,068,007.20-81,153,940.80

Finding the Fourth Proportional to 242,712,004.80, 364,068,007.20 and 81,153,940.80

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Solution

The fourth proportional to 242,712,004.80, 364,068,007.20 and 81,153,940.80 is: 121,730,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,712,004.80 : 364,068,007.20 = 81,153,940.80 : x
  2. Step 2: Convert to fraction form
    242,712,004.80/364,068,007.20 = 81,153,940.80/x
  3. Step 3: Cross multiply
    242,712,004.80x = 364,068,007.20 × 81,153,940.80
  4. Step 4: Simplify right side
    242,712,004.80x = 29,545,553,503,482,772
  5. Step 5: Solve for x
    x = 29,545,553,503,482,772/242,712,004.80
  6. Step 6: Final answer
    x = 121,730,911.20

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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.