Home / 137,223,336.90-205,791,356.09-45,085,838.21

Finding the Fourth Proportional to 137,223,336.90, 205,791,356.09 and 45,085,838.21

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Solution

The fourth proportional to 137,223,336.90, 205,791,356.09 and 45,085,838.21 is: 67,614,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,223,336.90 : 205,791,356.09 = 45,085,838.21 : x
  2. Step 2: Convert to fraction form
    137,223,336.90/205,791,356.09 = 45,085,838.21/x
  3. Step 3: Cross multiply
    137,223,336.90x = 205,791,356.09 × 45,085,838.21
  4. Step 4: Simplify right side
    137,223,336.90x = 9,278,275,784,435,852
  5. Step 5: Solve for x
    x = 9,278,275,784,435,852/137,223,336.90
  6. Step 6: Final answer
    x = 67,614,415.99

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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.