Home / 55,143,053.10-82,717,690.05-16,805,817.90

Finding the Fourth Proportional to 55,143,053.10, 82,717,690.05 and 16,805,817.90

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Solution

The fourth proportional to 55,143,053.10, 82,717,690.05 and 16,805,817.90 is: 25,209,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,053.10 : 82,717,690.05 = 16,805,817.90 : x
  2. Step 2: Convert to fraction form
    55,143,053.10/82,717,690.05 = 16,805,817.90/x
  3. Step 3: Cross multiply
    55,143,053.10x = 82,717,690.05 × 16,805,817.90
  4. Step 4: Simplify right side
    55,143,053.10x = 1,390,138,436,088,941.75
  5. Step 5: Solve for x
    x = 1,390,138,436,088,941.75/55,143,053.10
  6. Step 6: Final answer
    x = 25,209,674.80

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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.