Home / 290,304,043.80-435,456,065.70-108,527,602.20

Finding the Fourth Proportional to 290,304,043.80, 435,456,065.70 and 108,527,602.20

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Solution

The fourth proportional to 290,304,043.80, 435,456,065.70 and 108,527,602.20 is: 162,791,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,304,043.80 : 435,456,065.70 = 108,527,602.20 : x
  2. Step 2: Convert to fraction form
    290,304,043.80/435,456,065.70 = 108,527,602.20/x
  3. Step 3: Cross multiply
    290,304,043.80x = 435,456,065.70 × 108,527,602.20
  4. Step 4: Simplify right side
    290,304,043.80x = 47,259,002,673,866,664
  5. Step 5: Solve for x
    x = 47,259,002,673,866,664/290,304,043.80
  6. Step 6: Final answer
    x = 162,791,403.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.