Home / 77,098,753.40-106,379,068.49-45,720,857.55

Finding the Fourth Proportional to 77,098,753.40, 106,379,068.49 and 45,720,857.55

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Solution

The fourth proportional to 77,098,753.40, 106,379,068.49 and 45,720,857.55 is: 63,084,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098,753.40 : 106,379,068.49 = 45,720,857.55 : x
  2. Step 2: Convert to fraction form
    77,098,753.40/106,379,068.49 = 45,720,857.55/x
  3. Step 3: Cross multiply
    77,098,753.40x = 106,379,068.49 × 45,720,857.55
  4. Step 4: Simplify right side
    77,098,753.40x = 4,863,742,236,847,286
  5. Step 5: Solve for x
    x = 4,863,742,236,847,286/77,098,753.40
  6. Step 6: Final answer
    x = 63,084,576.89

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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.