Home / 111,132,442.07-153,362,770.05-62,239,870.07

Finding the Fourth Proportional to 111,132,442.07, 153,362,770.05 and 62,239,870.07

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Solution

The fourth proportional to 111,132,442.07, 153,362,770.05 and 62,239,870.07 is: 85,891,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,132,442.07 : 153,362,770.05 = 62,239,870.07 : x
  2. Step 2: Convert to fraction form
    111,132,442.07/153,362,770.05 = 62,239,870.07/x
  3. Step 3: Cross multiply
    111,132,442.07x = 153,362,770.05 × 62,239,870.07
  4. Step 4: Simplify right side
    111,132,442.07x = 9,545,278,880,720,474
  5. Step 5: Solve for x
    x = 9,545,278,880,720,474/111,132,442.07
  6. Step 6: Final answer
    x = 85,891,020.69

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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.