Home / 55,551,627.15-83,339,141.34-21,007,264.21

Finding the Fourth Proportional to 55,551,627.15, 83,339,141.34 and 21,007,264.21

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Solution

The fourth proportional to 55,551,627.15, 83,339,141.34 and 21,007,264.21 is: 31,515,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,551,627.15 : 83,339,141.34 = 21,007,264.21 : x
  2. Step 2: Convert to fraction form
    55,551,627.15/83,339,141.34 = 21,007,264.21/x
  3. Step 3: Cross multiply
    55,551,627.15x = 83,339,141.34 × 21,007,264.21
  4. Step 4: Simplify right side
    55,551,627.15x = 1,750,727,361,163,913.50
  5. Step 5: Solve for x
    x = 1,750,727,361,163,913.50/55,551,627.15
  6. Step 6: Final answer
    x = 31,515,320.99

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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.