Home / 294,971,330.70-442,456,996.05-90,499,077.90

Finding the Fourth Proportional to 294,971,330.70, 442,456,996.05 and 90,499,077.90

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Solution

The fourth proportional to 294,971,330.70, 442,456,996.05 and 90,499,077.90 is: 135,748,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,971,330.70 : 442,456,996.05 = 90,499,077.90 : x
  2. Step 2: Convert to fraction form
    294,971,330.70/442,456,996.05 = 90,499,077.90/x
  3. Step 3: Cross multiply
    294,971,330.70x = 442,456,996.05 × 90,499,077.90
  4. Step 4: Simplify right side
    294,971,330.70x = 40,041,950,152,928,944
  5. Step 5: Solve for x
    x = 40,041,950,152,928,944/294,971,330.70
  6. Step 6: Final answer
    x = 135,748,616.85

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Why These Related Problems?

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