Home / 103,486,460.70-155,229,691.05-98,447,612.70

Finding the Fourth Proportional to 103,486,460.70, 155,229,691.05 and 98,447,612.70

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Solution

The fourth proportional to 103,486,460.70, 155,229,691.05 and 98,447,612.70 is: 147,671,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,460.70 : 155,229,691.05 = 98,447,612.70 : x
  2. Step 2: Convert to fraction form
    103,486,460.70/155,229,691.05 = 98,447,612.70/x
  3. Step 3: Cross multiply
    103,486,460.70x = 155,229,691.05 × 98,447,612.70
  4. Step 4: Simplify right side
    103,486,460.70x = 15,281,992,504,031,058
  5. Step 5: Solve for x
    x = 15,281,992,504,031,058/103,486,460.70
  6. Step 6: Final answer
    x = 147,671,419.05

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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.