Home / 260,016,000.40-390,081,737.40-87,487,944.40

Finding the Fourth Proportional to 260,016,000.40, 390,081,737.40 and 87,487,944.40

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Solution

The fourth proportional to 260,016,000.40, 390,081,737.40 and 87,487,944.40 is: 131,251,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,016,000.40 : 390,081,737.40 = 87,487,944.40 : x
  2. Step 2: Convert to fraction form
    260,016,000.40/390,081,737.40 = 87,487,944.40/x
  3. Step 3: Cross multiply
    260,016,000.40x = 390,081,737.40 × 87,487,944.40
  4. Step 4: Simplify right side
    260,016,000.40x = 34,127,449,353,106,600
  5. Step 5: Solve for x
    x = 34,127,449,353,106,600/260,016,000.40
  6. Step 6: Final answer
    x = 131,251,343.38

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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.