Home / 220,657,411.59-304,507,213.56-127,891,727.97

Finding the Fourth Proportional to 220,657,411.59, 304,507,213.56 and 127,891,727.97

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Solution

The fourth proportional to 220,657,411.59, 304,507,213.56 and 127,891,727.97 is: 176,490,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,411.59 : 304,507,213.56 = 127,891,727.97 : x
  2. Step 2: Convert to fraction form
    220,657,411.59/304,507,213.56 = 127,891,727.97/x
  3. Step 3: Cross multiply
    220,657,411.59x = 304,507,213.56 × 127,891,727.97
  4. Step 4: Simplify right side
    220,657,411.59x = 38,943,953,721,518,216
  5. Step 5: Solve for x
    x = 38,943,953,721,518,216/220,657,411.59
  6. Step 6: Final answer
    x = 176,490,576.23

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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.