Home / 105,722,862.21-158,739,966.81-59,127,638.55

Finding the Fourth Proportional to 105,722,862.21, 158,739,966.81 and 59,127,638.55

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Solution

The fourth proportional to 105,722,862.21, 158,739,966.81 and 59,127,638.55 is: 88,778,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,722,862.21 : 158,739,966.81 = 59,127,638.55 : x
  2. Step 2: Convert to fraction form
    105,722,862.21/158,739,966.81 = 59,127,638.55/x
  3. Step 3: Cross multiply
    105,722,862.21x = 158,739,966.81 × 59,127,638.55
  4. Step 4: Simplify right side
    105,722,862.21x = 9,385,919,380,980,676
  5. Step 5: Solve for x
    x = 9,385,919,380,980,676/105,722,862.21
  6. Step 6: Final answer
    x = 88,778,521.36

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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.