Home / 90,988,811.20-136,483,216.80-60,377,809.60

Finding the Fourth Proportional to 90,988,811.20, 136,483,216.80 and 60,377,809.60

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Solution

The fourth proportional to 90,988,811.20, 136,483,216.80 and 60,377,809.60 is: 90,566,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,988,811.20 : 136,483,216.80 = 60,377,809.60 : x
  2. Step 2: Convert to fraction form
    90,988,811.20/136,483,216.80 = 60,377,809.60/x
  3. Step 3: Cross multiply
    90,988,811.20x = 136,483,216.80 × 60,377,809.60
  4. Step 4: Simplify right side
    90,988,811.20x = 8,240,557,677,545,922
  5. Step 5: Solve for x
    x = 8,240,557,677,545,922/90,988,811.20
  6. Step 6: Final answer
    x = 90,566,714.40

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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.