Home / 317,052,001.20-475,578,001.80-144,865,117.20

Finding the Fourth Proportional to 317,052,001.20, 475,578,001.80 and 144,865,117.20

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Solution

The fourth proportional to 317,052,001.20, 475,578,001.80 and 144,865,117.20 is: 217,297,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,052,001.20 : 475,578,001.80 = 144,865,117.20 : x
  2. Step 2: Convert to fraction form
    317,052,001.20/475,578,001.80 = 144,865,117.20/x
  3. Step 3: Cross multiply
    317,052,001.20x = 475,578,001.80 × 144,865,117.20
  4. Step 4: Simplify right side
    317,052,001.20x = 68,894,662,968,498,808
  5. Step 5: Solve for x
    x = 68,894,662,968,498,808/317,052,001.20
  6. Step 6: Final answer
    x = 217,297,675.80

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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.