Home / 86,812,538.15-130,191,381.17-28,510,609.25

Finding the Fourth Proportional to 86,812,538.15, 130,191,381.17 and 28,510,609.25

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Solution

The fourth proportional to 86,812,538.15, 130,191,381.17 and 28,510,609.25 is: 42,756,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,812,538.15 : 130,191,381.17 = 28,510,609.25 : x
  2. Step 2: Convert to fraction form
    86,812,538.15/130,191,381.17 = 28,510,609.25/x
  3. Step 3: Cross multiply
    86,812,538.15x = 130,191,381.17 × 28,510,609.25
  4. Step 4: Simplify right side
    86,812,538.15x = 3,711,835,596,545,518.50
  5. Step 5: Solve for x
    x = 3,711,835,596,545,518.50/86,812,538.15
  6. Step 6: Final answer
    x = 42,756,906.73

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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.