Home / 153,300,918.80-229,951,378.20-72,679,350.80

Finding the Fourth Proportional to 153,300,918.80, 229,951,378.20 and 72,679,350.80

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Solution

The fourth proportional to 153,300,918.80, 229,951,378.20 and 72,679,350.80 is: 109,019,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,300,918.80 : 229,951,378.20 = 72,679,350.80 : x
  2. Step 2: Convert to fraction form
    153,300,918.80/229,951,378.20 = 72,679,350.80/x
  3. Step 3: Cross multiply
    153,300,918.80x = 229,951,378.20 × 72,679,350.80
  4. Step 4: Simplify right side
    153,300,918.80x = 16,712,716,883,141,272
  5. Step 5: Solve for x
    x = 16,712,716,883,141,272/153,300,918.80
  6. Step 6: Final answer
    x = 109,019,026.20

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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.