Home / 143,873,151.20-215,809,726.80-100,791,000.80

Finding the Fourth Proportional to 143,873,151.20, 215,809,726.80 and 100,791,000.80

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Solution

The fourth proportional to 143,873,151.20, 215,809,726.80 and 100,791,000.80 is: 151,186,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,873,151.20 : 215,809,726.80 = 100,791,000.80 : x
  2. Step 2: Convert to fraction form
    143,873,151.20/215,809,726.80 = 100,791,000.80/x
  3. Step 3: Cross multiply
    143,873,151.20x = 215,809,726.80 × 100,791,000.80
  4. Step 4: Simplify right side
    143,873,151.20x = 21,751,678,346,546,580
  5. Step 5: Solve for x
    x = 21,751,678,346,546,580/143,873,151.20
  6. Step 6: Final answer
    x = 151,186,501.20

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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.