Home / 120,038,272.14-165,591,868.95-75,910,953.90

Finding the Fourth Proportional to 120,038,272.14, 165,591,868.95 and 75,910,953.90

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Solution

The fourth proportional to 120,038,272.14, 165,591,868.95 and 75,910,953.90 is: 104,718,574.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,038,272.14 : 165,591,868.95 = 75,910,953.90 : x
  2. Step 2: Convert to fraction form
    120,038,272.14/165,591,868.95 = 75,910,953.90/x
  3. Step 3: Cross multiply
    120,038,272.14x = 165,591,868.95 × 75,910,953.90
  4. Step 4: Simplify right side
    120,038,272.14x = 12,570,236,730,078,292
  5. Step 5: Solve for x
    x = 12,570,236,730,078,292/120,038,272.14
  6. Step 6: Final answer
    x = 104,718,574.38

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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.