Home / 124,526,658.10-186,789,987.15-67,131,030.10

Finding the Fourth Proportional to 124,526,658.10, 186,789,987.15 and 67,131,030.10

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Solution

The fourth proportional to 124,526,658.10, 186,789,987.15 and 67,131,030.10 is: 100,696,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,658.10 : 186,789,987.15 = 67,131,030.10 : x
  2. Step 2: Convert to fraction form
    124,526,658.10/186,789,987.15 = 67,131,030.10/x
  3. Step 3: Cross multiply
    124,526,658.10x = 186,789,987.15 × 67,131,030.10
  4. Step 4: Simplify right side
    124,526,658.10x = 12,539,404,249,745,262
  5. Step 5: Solve for x
    x = 12,539,404,249,745,262/124,526,658.10
  6. Step 6: Final answer
    x = 100,696,545.15

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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.