Home / 108,256,607.60-162,384,911.40-87,849,273.20

Finding the Fourth Proportional to 108,256,607.60, 162,384,911.40 and 87,849,273.20

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Solution

The fourth proportional to 108,256,607.60, 162,384,911.40 and 87,849,273.20 is: 131,773,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,256,607.60 : 162,384,911.40 = 87,849,273.20 : x
  2. Step 2: Convert to fraction form
    108,256,607.60/162,384,911.40 = 87,849,273.20/x
  3. Step 3: Cross multiply
    108,256,607.60x = 162,384,911.40 × 87,849,273.20
  4. Step 4: Simplify right side
    108,256,607.60x = 14,265,396,445,136,396
  5. Step 5: Solve for x
    x = 14,265,396,445,136,396/108,256,607.60
  6. Step 6: Final answer
    x = 131,773,909.80

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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.