Home / 170,525,126.64-255,689,776.76-66,772,855.20

Finding the Fourth Proportional to 170,525,126.64, 255,689,776.76 and 66,772,855.20

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Solution

The fourth proportional to 170,525,126.64, 255,689,776.76 and 66,772,855.20 is: 100,120,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,525,126.64 : 255,689,776.76 = 66,772,855.20 : x
  2. Step 2: Convert to fraction form
    170,525,126.64/255,689,776.76 = 66,772,855.20/x
  3. Step 3: Cross multiply
    170,525,126.64x = 255,689,776.76 × 66,772,855.20
  4. Step 4: Simplify right side
    170,525,126.64x = 17,073,136,439,381,942
  5. Step 5: Solve for x
    x = 17,073,136,439,381,942/170,525,126.64
  6. Step 6: Final answer
    x = 100,120,942.74

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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.