Home / 125,213,006.60-187,819,509.90-44,442,139.40

Finding the Fourth Proportional to 125,213,006.60, 187,819,509.90 and 44,442,139.40

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Solution

The fourth proportional to 125,213,006.60, 187,819,509.90 and 44,442,139.40 is: 66,663,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,213,006.60 : 187,819,509.90 = 44,442,139.40 : x
  2. Step 2: Convert to fraction form
    125,213,006.60/187,819,509.90 = 44,442,139.40/x
  3. Step 3: Cross multiply
    125,213,006.60x = 187,819,509.90 × 44,442,139.40
  4. Step 4: Simplify right side
    125,213,006.60x = 8,347,100,841,015,480
  5. Step 5: Solve for x
    x = 8,347,100,841,015,480/125,213,006.60
  6. Step 6: Final answer
    x = 66,663,209.10

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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.