Home / 107,892,217.20-161,838,325.80-98,964,008.40

Finding the Fourth Proportional to 107,892,217.20, 161,838,325.80 and 98,964,008.40

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Solution

The fourth proportional to 107,892,217.20, 161,838,325.80 and 98,964,008.40 is: 148,446,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,217.20 : 161,838,325.80 = 98,964,008.40 : x
  2. Step 2: Convert to fraction form
    107,892,217.20/161,838,325.80 = 98,964,008.40/x
  3. Step 3: Cross multiply
    107,892,217.20x = 161,838,325.80 × 98,964,008.40
  4. Step 4: Simplify right side
    107,892,217.20x = 16,016,169,433,913,138
  5. Step 5: Solve for x
    x = 16,016,169,433,913,138/107,892,217.20
  6. Step 6: Final answer
    x = 148,446,012.60

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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.