Home / 77,337,913.32-106,724,192.13-42,530,603.76

Finding the Fourth Proportional to 77,337,913.32, 106,724,192.13 and 42,530,603.76

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Solution

The fourth proportional to 77,337,913.32, 106,724,192.13 and 42,530,603.76 is: 58,691,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337,913.32 : 106,724,192.13 = 42,530,603.76 : x
  2. Step 2: Convert to fraction form
    77,337,913.32/106,724,192.13 = 42,530,603.76/x
  3. Step 3: Cross multiply
    77,337,913.32x = 106,724,192.13 × 42,530,603.76
  4. Step 4: Simplify right side
    77,337,913.32x = 4,539,044,327,087,140
  5. Step 5: Solve for x
    x = 4,539,044,327,087,140/77,337,913.32
  6. Step 6: Final answer
    x = 58,691,062.79

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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.