Home / 83,155,998.80-124,545,041.40-52,544,997.20

Finding the Fourth Proportional to 83,155,998.80, 124,545,041.40 and 52,544,997.20

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Solution

The fourth proportional to 83,155,998.80, 124,545,041.40 and 52,544,997.20 is: 78,698,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,155,998.80 : 124,545,041.40 = 52,544,997.20 : x
  2. Step 2: Convert to fraction form
    83,155,998.80/124,545,041.40 = 52,544,997.20/x
  3. Step 3: Cross multiply
    83,155,998.80x = 124,545,041.40 × 52,544,997.20
  4. Step 4: Simplify right side
    83,155,998.80x = 6,544,218,851,636,885
  5. Step 5: Solve for x
    x = 6,544,218,851,636,885/83,155,998.80
  6. Step 6: Final answer
    x = 78,698,096.90

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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.