Home / 42,348,987.30-63,570,720.15-39,573,684.30

Finding the Fourth Proportional to 42,348,987.30, 63,570,720.15 and 39,573,684.30

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Solution

The fourth proportional to 42,348,987.30, 63,570,720.15 and 39,573,684.30 is: 59,404,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,348,987.30 : 63,570,720.15 = 39,573,684.30 : x
  2. Step 2: Convert to fraction form
    42,348,987.30/63,570,720.15 = 39,573,684.30/x
  3. Step 3: Cross multiply
    42,348,987.30x = 63,570,720.15 × 39,573,684.30
  4. Step 4: Simplify right side
    42,348,987.30x = 2,515,727,609,939,748.50
  5. Step 5: Solve for x
    x = 2,515,727,609,939,748.50/42,348,987.30
  6. Step 6: Final answer
    x = 59,404,669.87

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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.