Home / 147,444,815.60-220,885,213.80-79,264,847.60

Finding the Fourth Proportional to 147,444,815.60, 220,885,213.80 and 79,264,847.60

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Solution

The fourth proportional to 147,444,815.60, 220,885,213.80 and 79,264,847.60 is: 118,745,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,444,815.60 : 220,885,213.80 = 79,264,847.60 : x
  2. Step 2: Convert to fraction form
    147,444,815.60/220,885,213.80 = 79,264,847.60/x
  3. Step 3: Cross multiply
    147,444,815.60x = 220,885,213.80 × 79,264,847.60
  4. Step 4: Simplify right side
    147,444,815.60x = 17,508,432,808,950,416
  5. Step 5: Solve for x
    x = 17,508,432,808,950,416/147,444,815.60
  6. Step 6: Final answer
    x = 118,745,665.88

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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.