Home / 266,688,019.60-399,434,832.60-159,192,595.60

Finding the Fourth Proportional to 266,688,019.60, 399,434,832.60 and 159,192,595.60

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Solution

The fourth proportional to 266,688,019.60, 399,434,832.60 and 159,192,595.60 is: 238,432,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,688,019.60 : 399,434,832.60 = 159,192,595.60 : x
  2. Step 2: Convert to fraction form
    266,688,019.60/399,434,832.60 = 159,192,595.60/x
  3. Step 3: Cross multiply
    266,688,019.60x = 399,434,832.60 × 159,192,595.60
  4. Step 4: Simplify right side
    266,688,019.60x = 63,587,067,774,645,496
  5. Step 5: Solve for x
    x = 63,587,067,774,645,496/266,688,019.60
  6. Step 6: Final answer
    x = 238,432,412.04

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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.