Home / 220,657,358.59-304,507,140.42-127,891,674.84

Finding the Fourth Proportional to 220,657,358.59, 304,507,140.42 and 127,891,674.84

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Solution

The fourth proportional to 220,657,358.59, 304,507,140.42 and 127,891,674.84 is: 176,490,502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657,358.59 : 304,507,140.42 = 127,891,674.84 : x
  2. Step 2: Convert to fraction form
    220,657,358.59/304,507,140.42 = 127,891,674.84/x
  3. Step 3: Cross multiply
    220,657,358.59x = 304,507,140.42 × 127,891,674.84
  4. Step 4: Simplify right side
    220,657,358.59x = 38,943,928,189,052,864
  5. Step 5: Solve for x
    x = 38,943,928,189,052,864/220,657,358.59
  6. Step 6: Final answer
    x = 176,490,502.91

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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.