Home / 128,304,065.70-192,456,098.55-70,908,437.70

Finding the Fourth Proportional to 128,304,065.70, 192,456,098.55 and 70,908,437.70

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Solution

The fourth proportional to 128,304,065.70, 192,456,098.55 and 70,908,437.70 is: 106,362,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,065.70 : 192,456,098.55 = 70,908,437.70 : x
  2. Step 2: Convert to fraction form
    128,304,065.70/192,456,098.55 = 70,908,437.70/x
  3. Step 3: Cross multiply
    128,304,065.70x = 192,456,098.55 × 70,908,437.70
  4. Step 4: Simplify right side
    128,304,065.70x = 13,646,761,274,017,736
  5. Step 5: Solve for x
    x = 13,646,761,274,017,736/128,304,065.70
  6. Step 6: Final answer
    x = 106,362,656.55

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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.