Home / 102,521,270.43-141,478,844.00-55,478,310.75

Finding the Fourth Proportional to 102,521,270.43, 141,478,844.00 and 55,478,310.75

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Solution

The fourth proportional to 102,521,270.43, 141,478,844.00 and 55,478,310.75 is: 76,559,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,521,270.43 : 141,478,844.00 = 55,478,310.75 : x
  2. Step 2: Convert to fraction form
    102,521,270.43/141,478,844.00 = 55,478,310.75/x
  3. Step 3: Cross multiply
    102,521,270.43x = 141,478,844.00 × 55,478,310.75
  4. Step 4: Simplify right side
    102,521,270.43x = 7,849,007,271,705,382
  5. Step 5: Solve for x
    x = 7,849,007,271,705,382/102,521,270.43
  6. Step 6: Final answer
    x = 76,559,793.29

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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.