Home / 136,393,870.07-204,720,150.56-84,421,260.20

Finding the Fourth Proportional to 136,393,870.07, 204,720,150.56 and 84,421,260.20

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Solution

The fourth proportional to 136,393,870.07, 204,720,150.56 and 84,421,260.20 is: 126,711,948.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,393,870.07 : 204,720,150.56 = 84,421,260.20 : x
  2. Step 2: Convert to fraction form
    136,393,870.07/204,720,150.56 = 84,421,260.20/x
  3. Step 3: Cross multiply
    136,393,870.07x = 204,720,150.56 × 84,421,260.20
  4. Step 4: Simplify right side
    136,393,870.07x = 17,282,733,097,163,228
  5. Step 5: Solve for x
    x = 17,282,733,097,163,228/136,393,870.07
  6. Step 6: Final answer
    x = 126,711,948.92

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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.