Home / 86,932,034.20-130,398,051.30-77,862,107.80

Finding the Fourth Proportional to 86,932,034.20, 130,398,051.30 and 77,862,107.80

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Solution

The fourth proportional to 86,932,034.20, 130,398,051.30 and 77,862,107.80 is: 116,793,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,034.20 : 130,398,051.30 = 77,862,107.80 : x
  2. Step 2: Convert to fraction form
    86,932,034.20/130,398,051.30 = 77,862,107.80/x
  3. Step 3: Cross multiply
    86,932,034.20x = 130,398,051.30 × 77,862,107.80
  4. Step 4: Simplify right side
    86,932,034.20x = 10,153,067,127,230,530
  5. Step 5: Solve for x
    x = 10,153,067,127,230,530/86,932,034.20
  6. Step 6: Final answer
    x = 116,793,161.70

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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.