Home / 107,784,101.60-161,676,152.40-31,109,631.20

Finding the Fourth Proportional to 107,784,101.60, 161,676,152.40 and 31,109,631.20

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Solution

The fourth proportional to 107,784,101.60, 161,676,152.40 and 31,109,631.20 is: 46,664,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,784,101.60 : 161,676,152.40 = 31,109,631.20 : x
  2. Step 2: Convert to fraction form
    107,784,101.60/161,676,152.40 = 31,109,631.20/x
  3. Step 3: Cross multiply
    107,784,101.60x = 161,676,152.40 × 31,109,631.20
  4. Step 4: Simplify right side
    107,784,101.60x = 5,029,685,474,998,995
  5. Step 5: Solve for x
    x = 5,029,685,474,998,995/107,784,101.60
  6. Step 6: Final answer
    x = 46,664,446.80

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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.