Home / 83,663,444-115,437,643.20-48,840,329.60

Finding the Fourth Proportional to 83,663,444, 115,437,643.20 and 48,840,329.60

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Solution

The fourth proportional to 83,663,444, 115,437,643.20 and 48,840,329.60 is: 67,389,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663,444 : 115,437,643.20 = 48,840,329.60 : x
  2. Step 2: Convert to fraction form
    83,663,444/115,437,643.20 = 48,840,329.60/x
  3. Step 3: Cross multiply
    83,663,444x = 115,437,643.20 × 48,840,329.60
  4. Step 4: Simplify right side
    83,663,444x = 5,638,012,542,135,199
  5. Step 5: Solve for x
    x = 5,638,012,542,135,199/83,663,444
  6. Step 6: Final answer
    x = 67,389,199.78

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1.5x scale

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.