Home / 125,186,776.43-187,647,632.44-42,109,440.71

Finding the Fourth Proportional to 125,186,776.43, 187,647,632.44 and 42,109,440.71

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Solution

The fourth proportional to 125,186,776.43, 187,647,632.44 and 42,109,440.71 is: 63,119,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,776.43 : 187,647,632.44 = 42,109,440.71 : x
  2. Step 2: Convert to fraction form
    125,186,776.43/187,647,632.44 = 42,109,440.71/x
  3. Step 3: Cross multiply
    125,186,776.43x = 187,647,632.44 × 42,109,440.71
  4. Step 4: Simplify right side
    125,186,776.43x = 7,901,736,851,560,541
  5. Step 5: Solve for x
    x = 7,901,736,851,560,541/125,186,776.43
  6. Step 6: Final answer
    x = 63,119,580.82

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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.