Home / 125,500,694.50-187,673,139.14-119,378,494.18

Finding the Fourth Proportional to 125,500,694.50, 187,673,139.14 and 119,378,494.18

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Solution

The fourth proportional to 125,500,694.50, 187,673,139.14 and 119,378,494.18 is: 178,518,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500,694.50 : 187,673,139.14 = 119,378,494.18 : x
  2. Step 2: Convert to fraction form
    125,500,694.50/187,673,139.14 = 119,378,494.18/x
  3. Step 3: Cross multiply
    125,500,694.50x = 187,673,139.14 × 119,378,494.18
  4. Step 4: Simplify right side
    125,500,694.50x = 22,404,136,748,566,820
  5. Step 5: Solve for x
    x = 22,404,136,748,566,820/125,500,694.50
  6. Step 6: Final answer
    x = 178,518,030.02

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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.