Home / 174,637,815.60-261,956,723.40-120,218,257.20

Finding the Fourth Proportional to 174,637,815.60, 261,956,723.40 and 120,218,257.20

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Solution

The fourth proportional to 174,637,815.60, 261,956,723.40 and 120,218,257.20 is: 180,327,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,637,815.60 : 261,956,723.40 = 120,218,257.20 : x
  2. Step 2: Convert to fraction form
    174,637,815.60/261,956,723.40 = 120,218,257.20/x
  3. Step 3: Cross multiply
    174,637,815.60x = 261,956,723.40 × 120,218,257.20
  4. Step 4: Simplify right side
    174,637,815.60x = 31,491,980,748,970,460
  5. Step 5: Solve for x
    x = 31,491,980,748,970,460/174,637,815.60
  6. Step 6: Final answer
    x = 180,327,385.80

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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.