Home / 145,622,094.90-200,957,132.42-79,542,567.88

Finding the Fourth Proportional to 145,622,094.90, 200,957,132.42 and 79,542,567.88

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Solution

The fourth proportional to 145,622,094.90, 200,957,132.42 and 79,542,567.88 is: 109,768,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,622,094.90 : 200,957,132.42 = 79,542,567.88 : x
  2. Step 2: Convert to fraction form
    145,622,094.90/200,957,132.42 = 79,542,567.88/x
  3. Step 3: Cross multiply
    145,622,094.90x = 200,957,132.42 × 79,542,567.88
  4. Step 4: Simplify right side
    145,622,094.90x = 15,984,646,346,487,996
  5. Step 5: Solve for x
    x = 15,984,646,346,487,996/145,622,094.90
  6. Step 6: Final answer
    x = 109,768,001.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.