Home / 77,539,025.70-107,001,883.71-42,257,737.98

Finding the Fourth Proportional to 77,539,025.70, 107,001,883.71 and 42,257,737.98

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Solution

The fourth proportional to 77,539,025.70, 107,001,883.71 and 42,257,737.98 is: 58,314,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,539,025.70 : 107,001,883.71 = 42,257,737.98 : x
  2. Step 2: Convert to fraction form
    77,539,025.70/107,001,883.71 = 42,257,737.98/x
  3. Step 3: Cross multiply
    77,539,025.70x = 107,001,883.71 × 42,257,737.98
  4. Step 4: Simplify right side
    77,539,025.70x = 4,521,657,565,183,610
  5. Step 5: Solve for x
    x = 4,521,657,565,183,610/77,539,025.70
  6. Step 6: Final answer
    x = 58,314,603.83

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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.