Home / 160,677,021.38-221,758,527.35-97,989,487.61

Finding the Fourth Proportional to 160,677,021.38, 221,758,527.35 and 97,989,487.61

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Solution

The fourth proportional to 160,677,021.38, 221,758,527.35 and 97,989,487.61 is: 135,240,274.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,677,021.38 : 221,758,527.35 = 97,989,487.61 : x
  2. Step 2: Convert to fraction form
    160,677,021.38/221,758,527.35 = 97,989,487.61/x
  3. Step 3: Cross multiply
    160,677,021.38x = 221,758,527.35 × 97,989,487.61
  4. Step 4: Simplify right side
    160,677,021.38x = 21,730,004,467,684,724
  5. Step 5: Solve for x
    x = 21,730,004,467,684,724/160,677,021.38
  6. Step 6: Final answer
    x = 135,240,274.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.