Home / 112,541,782.89-155,304,324.78-62,308,240.32

Finding the Fourth Proportional to 112,541,782.89, 155,304,324.78 and 62,308,240.32

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Solution

The fourth proportional to 112,541,782.89, 155,304,324.78 and 62,308,240.32 is: 85,983,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541,782.89 : 155,304,324.78 = 62,308,240.32 : x
  2. Step 2: Convert to fraction form
    112,541,782.89/155,304,324.78 = 62,308,240.32/x
  3. Step 3: Cross multiply
    112,541,782.89x = 155,304,324.78 × 62,308,240.32
  4. Step 4: Simplify right side
    112,541,782.89x = 9,676,739,191,127,572
  5. Step 5: Solve for x
    x = 9,676,739,191,127,572/112,541,782.89
  6. Step 6: Final answer
    x = 85,983,524.90

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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.