Home / 220,657,375.84-304,507,164.16-127,891,692.12

Finding the Fourth Proportional to 220,657,375.84, 304,507,164.16 and 127,891,692.12

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Solution

The fourth proportional to 220,657,375.84, 304,507,164.16 and 127,891,692.12 is: 176,490,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,375.84 : 304,507,164.16 = 127,891,692.12 : x
  2. Step 2: Convert to fraction form
    220,657,375.84/304,507,164.16 = 127,891,692.12/x
  3. Step 3: Cross multiply
    220,657,375.84x = 304,507,164.16 × 127,891,692.12
  4. Step 4: Simplify right side
    220,657,375.84x = 38,943,936,487,085,024
  5. Step 5: Solve for x
    x = 38,943,936,487,085,024/220,657,375.84
  6. Step 6: Final answer
    x = 176,490,526.72

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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.