Home / 55,337,689.80-83,006,534.70-54,487,384.20

Finding the Fourth Proportional to 55,337,689.80, 83,006,534.70 and 54,487,384.20

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Solution

The fourth proportional to 55,337,689.80, 83,006,534.70 and 54,487,384.20 is: 81,731,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,337,689.80 : 83,006,534.70 = 54,487,384.20 : x
  2. Step 2: Convert to fraction form
    55,337,689.80/83,006,534.70 = 54,487,384.20/x
  3. Step 3: Cross multiply
    55,337,689.80x = 83,006,534.70 × 54,487,384.20
  4. Step 4: Simplify right side
    55,337,689.80x = 4,522,808,947,309,532
  5. Step 5: Solve for x
    x = 4,522,808,947,309,532/55,337,689.80
  6. Step 6: Final answer
    x = 81,731,076.30

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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.