Home / 108,561,643.20-162,786,477.60-40,369,233.60

Finding the Fourth Proportional to 108,561,643.20, 162,786,477.60 and 40,369,233.60

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Solution

The fourth proportional to 108,561,643.20, 162,786,477.60 and 40,369,233.60 is: 60,533,031.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,561,643.20 : 162,786,477.60 = 40,369,233.60 : x
  2. Step 2: Convert to fraction form
    108,561,643.20/162,786,477.60 = 40,369,233.60/x
  3. Step 3: Cross multiply
    108,561,643.20x = 162,786,477.60 × 40,369,233.60
  4. Step 4: Simplify right side
    108,561,643.20x = 6,571,565,341,155,567
  5. Step 5: Solve for x
    x = 6,571,565,341,155,567/108,561,643.20
  6. Step 6: Final answer
    x = 60,533,031.26

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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.