Home / 170,677,470-235,459,850.70-100,077,043.80

Finding the Fourth Proportional to 170,677,470, 235,459,850.70 and 100,077,043.80

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Solution

The fourth proportional to 170,677,470, 235,459,850.70 and 100,077,043.80 is: 138,062,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,677,470 : 235,459,850.70 = 100,077,043.80 : x
  2. Step 2: Convert to fraction form
    170,677,470/235,459,850.70 = 100,077,043.80/x
  3. Step 3: Cross multiply
    170,677,470x = 235,459,850.70 × 100,077,043.80
  4. Step 4: Simplify right side
    170,677,470x = 23,564,125,791,645,360
  5. Step 5: Solve for x
    x = 23,564,125,791,645,360/170,677,470
  6. Step 6: Final answer
    x = 138,062,310.11

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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.