Home / 154,448,012.20-231,668,475.90-77,750,444.20

Finding the Fourth Proportional to 154,448,012.20, 231,668,475.90 and 77,750,444.20

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Solution

The fourth proportional to 154,448,012.20, 231,668,475.90 and 77,750,444.20 is: 116,623,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,448,012.20 : 231,668,475.90 = 77,750,444.20 : x
  2. Step 2: Convert to fraction form
    154,448,012.20/231,668,475.90 = 77,750,444.20/x
  3. Step 3: Cross multiply
    154,448,012.20x = 231,668,475.90 × 77,750,444.20
  4. Step 4: Simplify right side
    154,448,012.20x = 18,012,326,908,361,996
  5. Step 5: Solve for x
    x = 18,012,326,908,361,996/154,448,012.20
  6. Step 6: Final answer
    x = 116,623,883.03

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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.