Home / 104,352,661.95-155,826,274.40-85,221,369.15

Finding the Fourth Proportional to 104,352,661.95, 155,826,274.40 and 85,221,369.15

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Solution

The fourth proportional to 104,352,661.95, 155,826,274.40 and 85,221,369.15 is: 127,258,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,352,661.95 : 155,826,274.40 = 85,221,369.15 : x
  2. Step 2: Convert to fraction form
    104,352,661.95/155,826,274.40 = 85,221,369.15/x
  3. Step 3: Cross multiply
    104,352,661.95x = 155,826,274.40 × 85,221,369.15
  4. Step 4: Simplify right side
    104,352,661.95x = 13,279,728,453,911,596
  5. Step 5: Solve for x
    x = 13,279,728,453,911,596/104,352,661.95
  6. Step 6: Final answer
    x = 127,258,166.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.