Home / 220,657,356.22-304,507,137.14-127,891,672.46

Finding the Fourth Proportional to 220,657,356.22, 304,507,137.14 and 127,891,672.46

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Solution

The fourth proportional to 220,657,356.22, 304,507,137.14 and 127,891,672.46 is: 176,490,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,356.22 : 304,507,137.14 = 127,891,672.46 : x
  2. Step 2: Convert to fraction form
    220,657,356.22/304,507,137.14 = 127,891,672.46/x
  3. Step 3: Cross multiply
    220,657,356.22x = 304,507,137.14 × 127,891,672.46
  4. Step 4: Simplify right side
    220,657,356.22x = 38,943,927,045,160,904
  5. Step 5: Solve for x
    x = 38,943,927,045,160,904/220,657,356.22
  6. Step 6: Final answer
    x = 176,490,499.63

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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.