Home / 170,218,401.60-255,159,640.80-83,886,139.20

Finding the Fourth Proportional to 170,218,401.60, 255,159,640.80 and 83,886,139.20

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Solution

The fourth proportional to 170,218,401.60, 255,159,640.80 and 83,886,139.20 is: 125,746,434.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,218,401.60 : 255,159,640.80 = 83,886,139.20 : x
  2. Step 2: Convert to fraction form
    170,218,401.60/255,159,640.80 = 83,886,139.20/x
  3. Step 3: Cross multiply
    170,218,401.60x = 255,159,640.80 × 83,886,139.20
  4. Step 4: Simplify right side
    170,218,401.60x = 21,404,357,146,370,800
  5. Step 5: Solve for x
    x = 21,404,357,146,370,800/170,218,401.60
  6. Step 6: Final answer
    x = 125,746,434.85

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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.