Home / 124,398,363.60-186,681,526.20-81,162,248.40

Finding the Fourth Proportional to 124,398,363.60, 186,681,526.20 and 81,162,248.40

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Solution

The fourth proportional to 124,398,363.60, 186,681,526.20 and 81,162,248.40 is: 121,798,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,398,363.60 : 186,681,526.20 = 81,162,248.40 : x
  2. Step 2: Convert to fraction form
    124,398,363.60/186,681,526.20 = 81,162,248.40/x
  3. Step 3: Cross multiply
    124,398,363.60x = 186,681,526.20 × 81,162,248.40
  4. Step 4: Simplify right side
    124,398,363.60x = 15,151,492,401,135,508
  5. Step 5: Solve for x
    x = 15,151,492,401,135,508/124,398,363.60
  6. Step 6: Final answer
    x = 121,798,164.88

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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.