Home / 221,456,272.46-305,618,941.10-127,370,445.49

Finding the Fourth Proportional to 221,456,272.46, 305,618,941.10 and 127,370,445.49

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Solution

The fourth proportional to 221,456,272.46, 305,618,941.10 and 127,370,445.49 is: 175,776,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,456,272.46 : 305,618,941.10 = 127,370,445.49 : x
  2. Step 2: Convert to fraction form
    221,456,272.46/305,618,941.10 = 127,370,445.49/x
  3. Step 3: Cross multiply
    221,456,272.46x = 305,618,941.10 × 127,370,445.49
  4. Step 4: Simplify right side
    221,456,272.46x = 38,926,820,676,351,792
  5. Step 5: Solve for x
    x = 38,926,820,676,351,792/221,456,272.46
  6. Step 6: Final answer
    x = 175,776,555.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.