Home / 154,100,264.94-212,658,649.83-83,535,656.94

Finding the Fourth Proportional to 154,100,264.94, 212,658,649.83 and 83,535,656.94

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Solution

The fourth proportional to 154,100,264.94, 212,658,649.83 and 83,535,656.94 is: 115,279,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,100,264.94 : 212,658,649.83 = 83,535,656.94 : x
  2. Step 2: Convert to fraction form
    154,100,264.94/212,658,649.83 = 83,535,656.94/x
  3. Step 3: Cross multiply
    154,100,264.94x = 212,658,649.83 × 83,535,656.94
  4. Step 4: Simplify right side
    154,100,264.94x = 17,764,580,017,522,470
  5. Step 5: Solve for x
    x = 17,764,580,017,522,470/154,100,264.94
  6. Step 6: Final answer
    x = 115,279,360.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.