Home / 112,011,806.20-167,681,786.10-66,550,199.80

Finding the Fourth Proportional to 112,011,806.20, 167,681,786.10 and 66,550,199.80

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Solution

The fourth proportional to 112,011,806.20, 167,681,786.10 and 66,550,199.80 is: 99,625,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,011,806.20 : 167,681,786.10 = 66,550,199.80 : x
  2. Step 2: Convert to fraction form
    112,011,806.20/167,681,786.10 = 66,550,199.80/x
  3. Step 3: Cross multiply
    112,011,806.20x = 167,681,786.10 × 66,550,199.80
  4. Step 4: Simplify right side
    112,011,806.20x = 11,159,256,367,775,862
  5. Step 5: Solve for x
    x = 11,159,256,367,775,862/112,011,806.20
  6. Step 6: Final answer
    x = 99,625,715.77

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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.