Home / 83,155,992.80-124,545,032.40-52,544,991.20

Finding the Fourth Proportional to 83,155,992.80, 124,545,032.40 and 52,544,991.20

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Solution

The fourth proportional to 83,155,992.80, 124,545,032.40 and 52,544,991.20 is: 78,698,087.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,155,992.80 : 124,545,032.40 = 52,544,991.20 : x
  2. Step 2: Convert to fraction form
    83,155,992.80/124,545,032.40 = 52,544,991.20/x
  3. Step 3: Cross multiply
    83,155,992.80x = 124,545,032.40 × 52,544,991.20
  4. Step 4: Simplify right side
    83,155,992.80x = 6,544,217,631,461,716
  5. Step 5: Solve for x
    x = 6,544,217,631,461,716/83,155,992.80
  6. Step 6: Final answer
    x = 78,698,087.91

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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.