Home / 112,172,875.20-168,259,312.80-106,882,084.80

Finding the Fourth Proportional to 112,172,875.20, 168,259,312.80 and 106,882,084.80

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Solution

The fourth proportional to 112,172,875.20, 168,259,312.80 and 106,882,084.80 is: 160,323,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,875.20 : 168,259,312.80 = 106,882,084.80 : x
  2. Step 2: Convert to fraction form
    112,172,875.20/168,259,312.80 = 106,882,084.80/x
  3. Step 3: Cross multiply
    112,172,875.20x = 168,259,312.80 × 106,882,084.80
  4. Step 4: Simplify right side
    112,172,875.20x = 17,983,906,139,079,326
  5. Step 5: Solve for x
    x = 17,983,906,139,079,326/112,172,875.20
  6. Step 6: Final answer
    x = 160,323,127.20

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1.5x scale

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.