Home / 77,375,683.92-106,778,443.14-42,567,627.36

Finding the Fourth Proportional to 77,375,683.92, 106,778,443.14 and 42,567,627.36

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Solution

The fourth proportional to 77,375,683.92, 106,778,443.14 and 42,567,627.36 is: 58,743,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,375,683.92 : 106,778,443.14 = 42,567,627.36 : x
  2. Step 2: Convert to fraction form
    77,375,683.92/106,778,443.14 = 42,567,627.36/x
  3. Step 3: Cross multiply
    77,375,683.92x = 106,778,443.14 × 42,567,627.36
  4. Step 4: Simplify right side
    77,375,683.92x = 4,545,304,977,664,468
  5. Step 5: Solve for x
    x = 4,545,304,977,664,468/77,375,683.92
  6. Step 6: Final answer
    x = 58,743,325.39

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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.