Home / 45,279,030.60-67,918,545.90-42,090,384.60

Finding the Fourth Proportional to 45,279,030.60, 67,918,545.90 and 42,090,384.60

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Solution

The fourth proportional to 45,279,030.60, 67,918,545.90 and 42,090,384.60 is: 63,135,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,279,030.60 : 67,918,545.90 = 42,090,384.60 : x
  2. Step 2: Convert to fraction form
    45,279,030.60/67,918,545.90 = 42,090,384.60/x
  3. Step 3: Cross multiply
    45,279,030.60x = 67,918,545.90 × 42,090,384.60
  4. Step 4: Simplify right side
    45,279,030.60x = 2,858,717,718,403,753.50
  5. Step 5: Solve for x
    x = 2,858,717,718,403,753.50/45,279,030.60
  6. Step 6: Final answer
    x = 63,135,576.90

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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.