Home / 130,225,789.60-179,704,990.02-77,304,759.35

Finding the Fourth Proportional to 130,225,789.60, 179,704,990.02 and 77,304,759.35

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Solution

The fourth proportional to 130,225,789.60, 179,704,990.02 and 77,304,759.35 is: 106,676,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,789.60 : 179,704,990.02 = 77,304,759.35 : x
  2. Step 2: Convert to fraction form
    130,225,789.60/179,704,990.02 = 77,304,759.35/x
  3. Step 3: Cross multiply
    130,225,789.60x = 179,704,990.02 × 77,304,759.35
  4. Step 4: Simplify right side
    130,225,789.60x = 13,892,051,007,240,006
  5. Step 5: Solve for x
    x = 13,892,051,007,240,006/130,225,789.60
  6. Step 6: Final answer
    x = 106,676,650.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.