Home / 136,985,718.74-205,512,838.83-39,941,426.33

Finding the Fourth Proportional to 136,985,718.74, 205,512,838.83 and 39,941,426.33

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Solution

The fourth proportional to 136,985,718.74, 205,512,838.83 and 39,941,426.33 is: 59,922,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,985,718.74 : 205,512,838.83 = 39,941,426.33 : x
  2. Step 2: Convert to fraction form
    136,985,718.74/205,512,838.83 = 39,941,426.33/x
  3. Step 3: Cross multiply
    136,985,718.74x = 205,512,838.83 × 39,941,426.33
  4. Step 4: Simplify right side
    136,985,718.74x = 8,208,475,910,970,045
  5. Step 5: Solve for x
    x = 8,208,475,910,970,045/136,985,718.74
  6. Step 6: Final answer
    x = 59,922,129.01

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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.