Home / 170,013,181.79-255,018,924.52-66,392,915.38

Finding the Fourth Proportional to 170,013,181.79, 255,018,924.52 and 66,392,915.38

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Solution

The fourth proportional to 170,013,181.79, 255,018,924.52 and 66,392,915.38 is: 99,589,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,013,181.79 : 255,018,924.52 = 66,392,915.38 : x
  2. Step 2: Convert to fraction form
    170,013,181.79/255,018,924.52 = 66,392,915.38/x
  3. Step 3: Cross multiply
    170,013,181.79x = 255,018,924.52 × 66,392,915.38
  4. Step 4: Simplify right side
    170,013,181.79x = 16,931,449,875,151,438
  5. Step 5: Solve for x
    x = 16,931,449,875,151,438/170,013,181.79
  6. Step 6: Final answer
    x = 99,589,041.84

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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.