Home / 87,264,128.90-130,896,193.35-73,827,200.90

Finding the Fourth Proportional to 87,264,128.90, 130,896,193.35 and 73,827,200.90

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Solution

The fourth proportional to 87,264,128.90, 130,896,193.35 and 73,827,200.90 is: 110,740,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264,128.90 : 130,896,193.35 = 73,827,200.90 : x
  2. Step 2: Convert to fraction form
    87,264,128.90/130,896,193.35 = 73,827,200.90/x
  3. Step 3: Cross multiply
    87,264,128.90x = 130,896,193.35 × 73,827,200.90
  4. Step 4: Simplify right side
    87,264,128.90x = 9,663,699,563,495,694
  5. Step 5: Solve for x
    x = 9,663,699,563,495,694/87,264,128.90
  6. Step 6: Final answer
    x = 110,740,801.35

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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.