Home / 107,839,587.20-161,759,380.80-67,024,918.40

Finding the Fourth Proportional to 107,839,587.20, 161,759,380.80 and 67,024,918.40

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Solution

The fourth proportional to 107,839,587.20, 161,759,380.80 and 67,024,918.40 is: 100,537,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,587.20 : 161,759,380.80 = 67,024,918.40 : x
  2. Step 2: Convert to fraction form
    107,839,587.20/161,759,380.80 = 67,024,918.40/x
  3. Step 3: Cross multiply
    107,839,587.20x = 161,759,380.80 × 67,024,918.40
  4. Step 4: Simplify right side
    107,839,587.20x = 10,841,909,298,554,528
  5. Step 5: Solve for x
    x = 10,841,909,298,554,528/107,839,587.20
  6. Step 6: Final answer
    x = 100,537,377.60

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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.