Home / 107,988,707,825.52-161,924,011,554.24-85,747,328,019.60

Finding the Fourth Proportional to 107,988,707,825.52, 161,924,011,554.24 and 85,747,328,019.60

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Solution

The fourth proportional to 107,988,707,825.52, 161,924,011,554.24 and 85,747,328,019.60 is: 128,574,103,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,988,707,825.52 : 161,924,011,554.24 = 85,747,328,019.60 : x
  2. Step 2: Convert to fraction form
    107,988,707,825.52/161,924,011,554.24 = 85,747,328,019.60/x
  3. Step 3: Cross multiply
    107,988,707,825.52x = 161,924,011,554.24 × 85,747,328,019.60
  4. Step 4: Simplify right side
    107,988,707,825.52x = 13,884,551,332,990,917,017,600
  5. Step 5: Solve for x
    x = 13,884,551,332,990,917,017,600/107,988,707,825.52
  6. Step 6: Final answer
    x = 128,574,103,835.23

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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.