Home / 99,806,493.40-149,709,740.10-98,462,800.60

Finding the Fourth Proportional to 99,806,493.40, 149,709,740.10 and 98,462,800.60

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Solution

The fourth proportional to 99,806,493.40, 149,709,740.10 and 98,462,800.60 is: 147,694,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,806,493.40 : 149,709,740.10 = 98,462,800.60 : x
  2. Step 2: Convert to fraction form
    99,806,493.40/149,709,740.10 = 98,462,800.60/x
  3. Step 3: Cross multiply
    99,806,493.40x = 149,709,740.10 × 98,462,800.60
  4. Step 4: Simplify right side
    99,806,493.40x = 14,740,840,287,344,122
  5. Step 5: Solve for x
    x = 14,740,840,287,344,122/99,806,493.40
  6. Step 6: Final answer
    x = 147,694,200.90

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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.