Home / 108,144,363.60-162,216,545.40-79,233,973.20

Finding the Fourth Proportional to 108,144,363.60, 162,216,545.40 and 79,233,973.20

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Solution

The fourth proportional to 108,144,363.60, 162,216,545.40 and 79,233,973.20 is: 118,850,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144,363.60 : 162,216,545.40 = 79,233,973.20 : x
  2. Step 2: Convert to fraction form
    108,144,363.60/162,216,545.40 = 79,233,973.20/x
  3. Step 3: Cross multiply
    108,144,363.60x = 162,216,545.40 × 79,233,973.20
  4. Step 4: Simplify right side
    108,144,363.60x = 12,853,061,410,820,184
  5. Step 5: Solve for x
    x = 12,853,061,410,820,184/108,144,363.60
  6. Step 6: Final answer
    x = 118,850,959.80

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1.5x scale

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.