Home / 112,888,962.28-155,853,557.36-71,108,840.31

Finding the Fourth Proportional to 112,888,962.28, 155,853,557.36 and 71,108,840.31

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Solution

The fourth proportional to 112,888,962.28, 155,853,557.36 and 71,108,840.31 is: 98,172,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888,962.28 : 155,853,557.36 = 71,108,840.31 : x
  2. Step 2: Convert to fraction form
    112,888,962.28/155,853,557.36 = 71,108,840.31/x
  3. Step 3: Cross multiply
    112,888,962.28x = 155,853,557.36 × 71,108,840.31
  4. Step 4: Simplify right side
    112,888,962.28x = 11,082,565,722,057,666
  5. Step 5: Solve for x
    x = 11,082,565,722,057,666/112,888,962.28
  6. Step 6: Final answer
    x = 98,172,270.33

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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.