Home / 130,406,643.20-195,609,964.80-62,382,195.20

Finding the Fourth Proportional to 130,406,643.20, 195,609,964.80 and 62,382,195.20

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Solution

The fourth proportional to 130,406,643.20, 195,609,964.80 and 62,382,195.20 is: 93,573,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,406,643.20 : 195,609,964.80 = 62,382,195.20 : x
  2. Step 2: Convert to fraction form
    130,406,643.20/195,609,964.80 = 62,382,195.20/x
  3. Step 3: Cross multiply
    130,406,643.20x = 195,609,964.80 × 62,382,195.20
  4. Step 4: Simplify right side
    130,406,643.20x = 12,202,579,007,218,730
  5. Step 5: Solve for x
    x = 12,202,579,007,218,730/130,406,643.20
  6. Step 6: Final answer
    x = 93,573,292.80

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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.