Home / 42,348,979.80-63,570,708.90-39,573,676.80

Finding the Fourth Proportional to 42,348,979.80, 63,570,708.90 and 39,573,676.80

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Solution

The fourth proportional to 42,348,979.80, 63,570,708.90 and 39,573,676.80 is: 59,404,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,979.80 : 63,570,708.90 = 39,573,676.80 : x
  2. Step 2: Convert to fraction form
    42,348,979.80/63,570,708.90 = 39,573,676.80/x
  3. Step 3: Cross multiply
    42,348,979.80x = 63,570,708.90 × 39,573,676.80
  4. Step 4: Simplify right side
    42,348,979.80x = 2,515,726,687,955,483.50
  5. Step 5: Solve for x
    x = 2,515,726,687,955,483.50/42,348,979.80
  6. Step 6: Final answer
    x = 59,404,658.62

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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.