Home / 149,288,587.20-223,932,880.80-84,718,505.70

Finding the Fourth Proportional to 149,288,587.20, 223,932,880.80 and 84,718,505.70

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Solution

The fourth proportional to 149,288,587.20, 223,932,880.80 and 84,718,505.70 is: 127,077,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,288,587.20 : 223,932,880.80 = 84,718,505.70 : x
  2. Step 2: Convert to fraction form
    149,288,587.20/223,932,880.80 = 84,718,505.70/x
  3. Step 3: Cross multiply
    149,288,587.20x = 223,932,880.80 × 84,718,505.70
  4. Step 4: Simplify right side
    149,288,587.20x = 18,971,259,038,472,224
  5. Step 5: Solve for x
    x = 18,971,259,038,472,224/149,288,587.20
  6. Step 6: Final answer
    x = 127,077,758.55

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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.