Home / 318,206,038.40-477,319,321.44-88,177,339.52

Finding the Fourth Proportional to 318,206,038.40, 477,319,321.44 and 88,177,339.52

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Solution

The fourth proportional to 318,206,038.40, 477,319,321.44 and 88,177,339.52 is: 132,268,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,206,038.40 : 477,319,321.44 = 88,177,339.52 : x
  2. Step 2: Convert to fraction form
    318,206,038.40/477,319,321.44 = 88,177,339.52/x
  3. Step 3: Cross multiply
    318,206,038.40x = 477,319,321.44 × 88,177,339.52
  4. Step 4: Simplify right side
    318,206,038.40x = 42,088,747,866,070,896
  5. Step 5: Solve for x
    x = 42,088,747,866,070,896/318,206,038.40
  6. Step 6: Final answer
    x = 132,268,853.47

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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.