Home / 90,714,934.40-136,072,401.60-60,103,932.80

Finding the Fourth Proportional to 90,714,934.40, 136,072,401.60 and 60,103,932.80

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Solution

The fourth proportional to 90,714,934.40, 136,072,401.60 and 60,103,932.80 is: 90,155,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,714,934.40 : 136,072,401.60 = 60,103,932.80 : x
  2. Step 2: Convert to fraction form
    90,714,934.40/136,072,401.60 = 60,103,932.80/x
  3. Step 3: Cross multiply
    90,714,934.40x = 136,072,401.60 × 60,103,932.80
  4. Step 4: Simplify right side
    90,714,934.40x = 8,178,486,481,701,012
  5. Step 5: Solve for x
    x = 8,178,486,481,701,012/90,714,934.40
  6. Step 6: Final answer
    x = 90,155,899.20

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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.