Home / 211,152,032.80-316,728,049.20-107,839,902.40

Finding the Fourth Proportional to 211,152,032.80, 316,728,049.20 and 107,839,902.40

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Solution

The fourth proportional to 211,152,032.80, 316,728,049.20 and 107,839,902.40 is: 161,759,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,152,032.80 : 316,728,049.20 = 107,839,902.40 : x
  2. Step 2: Convert to fraction form
    211,152,032.80/316,728,049.20 = 107,839,902.40/x
  3. Step 3: Cross multiply
    211,152,032.80x = 316,728,049.20 × 107,839,902.40
  4. Step 4: Simplify right side
    211,152,032.80x = 34,155,921,913,070,400
  5. Step 5: Solve for x
    x = 34,155,921,913,070,400/211,152,032.80
  6. Step 6: Final answer
    x = 161,759,853.60

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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.