Home / 147,924,007.20-221,886,010.80-143,672,479.20

Finding the Fourth Proportional to 147,924,007.20, 221,886,010.80 and 143,672,479.20

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Solution

The fourth proportional to 147,924,007.20, 221,886,010.80 and 143,672,479.20 is: 215,508,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,924,007.20 : 221,886,010.80 = 143,672,479.20 : x
  2. Step 2: Convert to fraction form
    147,924,007.20/221,886,010.80 = 143,672,479.20/x
  3. Step 3: Cross multiply
    147,924,007.20x = 221,886,010.80 × 143,672,479.20
  4. Step 4: Simplify right side
    147,924,007.20x = 31,878,913,271,433,976
  5. Step 5: Solve for x
    x = 31,878,913,271,433,976/147,924,007.20
  6. Step 6: Final answer
    x = 215,508,718.80

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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.