Home / 210,968,852.97-316,465,236.78-65,423,106.30

Finding the Fourth Proportional to 210,968,852.97, 316,465,236.78 and 65,423,106.30

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Solution

The fourth proportional to 210,968,852.97, 316,465,236.78 and 65,423,106.30 is: 98,138,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,968,852.97 : 316,465,236.78 = 65,423,106.30 : x
  2. Step 2: Convert to fraction form
    210,968,852.97/316,465,236.78 = 65,423,106.30/x
  3. Step 3: Cross multiply
    210,968,852.97x = 316,465,236.78 × 65,423,106.30
  4. Step 4: Simplify right side
    210,968,852.97x = 20,704,138,826,112,608
  5. Step 5: Solve for x
    x = 20,704,138,826,112,608/210,968,852.97
  6. Step 6: Final answer
    x = 98,138,367.51

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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.