Home / 99,468,000.60-149,202,000.90-90,858,656.40

Finding the Fourth Proportional to 99,468,000.60, 149,202,000.90 and 90,858,656.40

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Solution

The fourth proportional to 99,468,000.60, 149,202,000.90 and 90,858,656.40 is: 136,287,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468,000.60 : 149,202,000.90 = 90,858,656.40 : x
  2. Step 2: Convert to fraction form
    99,468,000.60/149,202,000.90 = 90,858,656.40/x
  3. Step 3: Cross multiply
    99,468,000.60x = 149,202,000.90 × 90,858,656.40
  4. Step 4: Simplify right side
    99,468,000.60x = 13,556,293,333,965,592
  5. Step 5: Solve for x
    x = 13,556,293,333,965,592/99,468,000.60
  6. Step 6: Final answer
    x = 136,287,984.60

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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.