Home / 171,639,964.80-257,260,881.60-69,336,835.20

Finding the Fourth Proportional to 171,639,964.80, 257,260,881.60 and 69,336,835.20

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Solution

The fourth proportional to 171,639,964.80, 257,260,881.60 and 69,336,835.20 is: 103,924,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,639,964.80 : 257,260,881.60 = 69,336,835.20 : x
  2. Step 2: Convert to fraction form
    171,639,964.80/257,260,881.60 = 69,336,835.20/x
  3. Step 3: Cross multiply
    171,639,964.80x = 257,260,881.60 × 69,336,835.20
  4. Step 4: Simplify right side
    171,639,964.80x = 17,837,655,350,905,912
  5. Step 5: Solve for x
    x = 17,837,655,350,905,912/171,639,964.80
  6. Step 6: Final answer
    x = 103,924,836.92

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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.