Home / 77,162,219.28-106,435,426.62-45,778,049.16

Finding the Fourth Proportional to 77,162,219.28, 106,435,426.62 and 45,778,049.16

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Solution

The fourth proportional to 77,162,219.28, 106,435,426.62 and 45,778,049.16 is: 63,144,972.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,219.28 : 106,435,426.62 = 45,778,049.16 : x
  2. Step 2: Convert to fraction form
    77,162,219.28/106,435,426.62 = 45,778,049.16/x
  3. Step 3: Cross multiply
    77,162,219.28x = 106,435,426.62 × 45,778,049.16
  4. Step 4: Simplify right side
    77,162,219.28x = 4,872,406,192,175,932
  5. Step 5: Solve for x
    x = 4,872,406,192,175,932/77,162,219.28
  6. Step 6: Final answer
    x = 63,144,972.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.