Home / 90,360,010.40-135,540,015.60-29,767,863.20

Finding the Fourth Proportional to 90,360,010.40, 135,540,015.60 and 29,767,863.20

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Solution

The fourth proportional to 90,360,010.40, 135,540,015.60 and 29,767,863.20 is: 44,651,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,360,010.40 : 135,540,015.60 = 29,767,863.20 : x
  2. Step 2: Convert to fraction form
    90,360,010.40/135,540,015.60 = 29,767,863.20/x
  3. Step 3: Cross multiply
    90,360,010.40x = 135,540,015.60 × 29,767,863.20
  4. Step 4: Simplify right side
    90,360,010.40x = 4,034,736,642,506,665.50
  5. Step 5: Solve for x
    x = 4,034,736,642,506,665.50/90,360,010.40
  6. Step 6: Final answer
    x = 44,651,794.80

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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.