Home / 99,650,806.70-149,476,210.05-83,495,000.30

Finding the Fourth Proportional to 99,650,806.70, 149,476,210.05 and 83,495,000.30

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Solution

The fourth proportional to 99,650,806.70, 149,476,210.05 and 83,495,000.30 is: 125,242,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,806.70 : 149,476,210.05 = 83,495,000.30 : x
  2. Step 2: Convert to fraction form
    99,650,806.70/149,476,210.05 = 83,495,000.30/x
  3. Step 3: Cross multiply
    99,650,806.70x = 149,476,210.05 × 83,495,000.30
  4. Step 4: Simplify right side
    99,650,806.70x = 12,480,516,202,967,614
  5. Step 5: Solve for x
    x = 12,480,516,202,967,614/99,650,806.70
  6. Step 6: Final answer
    x = 125,242,500.45

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Double scale
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Similar ratio
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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.