Home / 107,784,234.80-161,676,352.20-31,109,764.40

Finding the Fourth Proportional to 107,784,234.80, 161,676,352.20 and 31,109,764.40

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Solution

The fourth proportional to 107,784,234.80, 161,676,352.20 and 31,109,764.40 is: 46,664,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,784,234.80 : 161,676,352.20 = 31,109,764.40 : x
  2. Step 2: Convert to fraction form
    107,784,234.80/161,676,352.20 = 31,109,764.40/x
  3. Step 3: Cross multiply
    107,784,234.80x = 161,676,352.20 × 31,109,764.40
  4. Step 4: Simplify right side
    107,784,234.80x = 5,029,713,225,993,421
  5. Step 5: Solve for x
    x = 5,029,713,225,993,421/107,784,234.80
  6. Step 6: Final answer
    x = 46,664,646.60

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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.