Home / 119,111,488.80-178,667,233.20-42,520,999.20

Finding the Fourth Proportional to 119,111,488.80, 178,667,233.20 and 42,520,999.20

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Solution

The fourth proportional to 119,111,488.80, 178,667,233.20 and 42,520,999.20 is: 63,781,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,111,488.80 : 178,667,233.20 = 42,520,999.20 : x
  2. Step 2: Convert to fraction form
    119,111,488.80/178,667,233.20 = 42,520,999.20/x
  3. Step 3: Cross multiply
    119,111,488.80x = 178,667,233.20 × 42,520,999.20
  4. Step 4: Simplify right side
    119,111,488.80x = 7,597,109,279,963,413
  5. Step 5: Solve for x
    x = 7,597,109,279,963,413/119,111,488.80
  6. Step 6: Final answer
    x = 63,781,498.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.