Home / 99,645,624.40-149,342,465.40-88,812,101.20

Finding the Fourth Proportional to 99,645,624.40, 149,342,465.40 and 88,812,101.20

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Solution

The fourth proportional to 99,645,624.40, 149,342,465.40 and 88,812,101.20 is: 133,105,876.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,645,624.40 : 149,342,465.40 = 88,812,101.20 : x
  2. Step 2: Convert to fraction form
    99,645,624.40/149,342,465.40 = 88,812,101.20/x
  3. Step 3: Cross multiply
    99,645,624.40x = 149,342,465.40 × 88,812,101.20
  4. Step 4: Simplify right side
    99,645,624.40x = 13,263,418,150,562,300
  5. Step 5: Solve for x
    x = 13,263,418,150,562,300/99,645,624.40
  6. Step 6: Final answer
    x = 133,105,876.25

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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.