Home / 104,976,102.80-157,464,154.20-66,806,829.20

Finding the Fourth Proportional to 104,976,102.80, 157,464,154.20 and 66,806,829.20

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Solution

The fourth proportional to 104,976,102.80, 157,464,154.20 and 66,806,829.20 is: 100,210,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,102.80 : 157,464,154.20 = 66,806,829.20 : x
  2. Step 2: Convert to fraction form
    104,976,102.80/157,464,154.20 = 66,806,829.20/x
  3. Step 3: Cross multiply
    104,976,102.80x = 157,464,154.20 × 66,806,829.20
  4. Step 4: Simplify right side
    104,976,102.80x = 10,519,680,854,761,862
  5. Step 5: Solve for x
    x = 10,519,680,854,761,862/104,976,102.80
  6. Step 6: Final answer
    x = 100,210,243.80

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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.