Home / 153,300,919.80-229,951,379.70-72,679,351.80

Finding the Fourth Proportional to 153,300,919.80, 229,951,379.70 and 72,679,351.80

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Solution

The fourth proportional to 153,300,919.80, 229,951,379.70 and 72,679,351.80 is: 109,019,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,300,919.80 : 229,951,379.70 = 72,679,351.80 : x
  2. Step 2: Convert to fraction form
    153,300,919.80/229,951,379.70 = 72,679,351.80/x
  3. Step 3: Cross multiply
    153,300,919.80x = 229,951,379.70 × 72,679,351.80
  4. Step 4: Simplify right side
    153,300,919.80x = 16,712,717,222,111,676
  5. Step 5: Solve for x
    x = 16,712,717,222,111,676/153,300,919.80
  6. Step 6: Final answer
    x = 109,019,027.70

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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.