Home / 81,452,534.76-112,403,507.04-60,637,565.16

Finding the Fourth Proportional to 81,452,534.76, 112,403,507.04 and 60,637,565.16

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Solution

The fourth proportional to 81,452,534.76, 112,403,507.04 and 60,637,565.16 is: 83,679,102.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,452,534.76 : 112,403,507.04 = 60,637,565.16 : x
  2. Step 2: Convert to fraction form
    81,452,534.76/112,403,507.04 = 60,637,565.16/x
  3. Step 3: Cross multiply
    81,452,534.76x = 112,403,507.04 × 60,637,565.16
  4. Step 4: Simplify right side
    81,452,534.76x = 6,815,874,982,350,519
  5. Step 5: Solve for x
    x = 6,815,874,982,350,519/81,452,534.76
  6. Step 6: Final answer
    x = 83,679,102.22

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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.