Home / 80,224,529.68-110,813,702.10-66,341,960.72

Finding the Fourth Proportional to 80,224,529.68, 110,813,702.10 and 66,341,960.72

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Solution

The fourth proportional to 80,224,529.68, 110,813,702.10 and 66,341,960.72 is: 91,637,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224,529.68 : 110,813,702.10 = 66,341,960.72 : x
  2. Step 2: Convert to fraction form
    80,224,529.68/110,813,702.10 = 66,341,960.72/x
  3. Step 3: Cross multiply
    80,224,529.68x = 110,813,702.10 × 66,341,960.72
  4. Step 4: Simplify right side
    80,224,529.68x = 7,351,598,271,955,981
  5. Step 5: Solve for x
    x = 7,351,598,271,955,981/80,224,529.68
  6. Step 6: Final answer
    x = 91,637,785.87

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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.