Home / 42,383,417.40-63,575,126.10-39,265,630.20

Finding the Fourth Proportional to 42,383,417.40, 63,575,126.10 and 39,265,630.20

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Solution

The fourth proportional to 42,383,417.40, 63,575,126.10 and 39,265,630.20 is: 58,898,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,383,417.40 : 63,575,126.10 = 39,265,630.20 : x
  2. Step 2: Convert to fraction form
    42,383,417.40/63,575,126.10 = 39,265,630.20/x
  3. Step 3: Cross multiply
    42,383,417.40x = 63,575,126.10 × 39,265,630.20
  4. Step 4: Simplify right side
    42,383,417.40x = 2,496,317,391,360,968.50
  5. Step 5: Solve for x
    x = 2,496,317,391,360,968.50/42,383,417.40
  6. Step 6: Final answer
    x = 58,898,445.30

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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.