Home / 99,864,005.40-149,796,008.10-88,318,200.60

Finding the Fourth Proportional to 99,864,005.40, 149,796,008.10 and 88,318,200.60

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Solution

The fourth proportional to 99,864,005.40, 149,796,008.10 and 88,318,200.60 is: 132,477,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,864,005.40 : 149,796,008.10 = 88,318,200.60 : x
  2. Step 2: Convert to fraction form
    99,864,005.40/149,796,008.10 = 88,318,200.60/x
  3. Step 3: Cross multiply
    99,864,005.40x = 149,796,008.10 × 88,318,200.60
  4. Step 4: Simplify right side
    99,864,005.40x = 13,229,713,892,455,024
  5. Step 5: Solve for x
    x = 13,229,713,892,455,024/99,864,005.40
  6. Step 6: Final answer
    x = 132,477,300.90

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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.