Home / 77,374,359.18-106,777,309.16-42,092,933.07

Finding the Fourth Proportional to 77,374,359.18, 106,777,309.16 and 42,092,933.07

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Solution

The fourth proportional to 77,374,359.18, 106,777,309.16 and 42,092,933.07 is: 58,088,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,374,359.18 : 106,777,309.16 = 42,092,933.07 : x
  2. Step 2: Convert to fraction form
    77,374,359.18/106,777,309.16 = 42,092,933.07/x
  3. Step 3: Cross multiply
    77,374,359.18x = 106,777,309.16 × 42,092,933.07
  4. Step 4: Simplify right side
    77,374,359.18x = 4,494,570,127,352,956.50
  5. Step 5: Solve for x
    x = 4,494,570,127,352,956.50/77,374,359.18
  6. Step 6: Final answer
    x = 58,088,624.90

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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.