Home / 91,453,807.47-126,206,433.50-54,291,540.63

Finding the Fourth Proportional to 91,453,807.47, 126,206,433.50 and 54,291,540.63

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Solution

The fourth proportional to 91,453,807.47, 126,206,433.50 and 54,291,540.63 is: 74,922,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,807.47 : 126,206,433.50 = 54,291,540.63 : x
  2. Step 2: Convert to fraction form
    91,453,807.47/126,206,433.50 = 54,291,540.63/x
  3. Step 3: Cross multiply
    91,453,807.47x = 126,206,433.50 × 54,291,540.63
  4. Step 4: Simplify right side
    91,453,807.47x = 6,851,941,711,637,340
  5. Step 5: Solve for x
    x = 6,851,941,711,637,340/91,453,807.47
  6. Step 6: Final answer
    x = 74,922,432.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.