Home / 90,846,021.47-136,297,617.91-32,513,931.11

Finding the Fourth Proportional to 90,846,021.47, 136,297,617.91 and 32,513,931.11

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Solution

The fourth proportional to 90,846,021.47, 136,297,617.91 and 32,513,931.11 is: 48,781,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846,021.47 : 136,297,617.91 = 32,513,931.11 : x
  2. Step 2: Convert to fraction form
    90,846,021.47/136,297,617.91 = 32,513,931.11/x
  3. Step 3: Cross multiply
    90,846,021.47x = 136,297,617.91 × 32,513,931.11
  4. Step 4: Simplify right side
    90,846,021.47x = 4,431,571,359,442,301.50
  5. Step 5: Solve for x
    x = 4,431,571,359,442,301.50/90,846,021.47
  6. Step 6: Final answer
    x = 48,781,127.54

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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.