Home / 199,584,010.80-299,376,016.20-141,470,937.45

Finding the Fourth Proportional to 199,584,010.80, 299,376,016.20 and 141,470,937.45

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Solution

The fourth proportional to 199,584,010.80, 299,376,016.20 and 141,470,937.45 is: 212,206,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,584,010.80 : 299,376,016.20 = 141,470,937.45 : x
  2. Step 2: Convert to fraction form
    199,584,010.80/299,376,016.20 = 141,470,937.45/x
  3. Step 3: Cross multiply
    199,584,010.80x = 299,376,016.20 × 141,470,937.45
  4. Step 4: Simplify right side
    199,584,010.80x = 42,353,005,661,860,384
  5. Step 5: Solve for x
    x = 42,353,005,661,860,384/199,584,010.80
  6. Step 6: Final answer
    x = 212,206,406.18

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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.