Home / 113,761,520.70-170,642,281.05-112,627,779.90

Finding the Fourth Proportional to 113,761,520.70, 170,642,281.05 and 112,627,779.90

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Solution

The fourth proportional to 113,761,520.70, 170,642,281.05 and 112,627,779.90 is: 168,941,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,761,520.70 : 170,642,281.05 = 112,627,779.90 : x
  2. Step 2: Convert to fraction form
    113,761,520.70/170,642,281.05 = 112,627,779.90/x
  3. Step 3: Cross multiply
    113,761,520.70x = 170,642,281.05 × 112,627,779.90
  4. Step 4: Simplify right side
    113,761,520.70x = 19,219,061,271,733,344
  5. Step 5: Solve for x
    x = 19,219,061,271,733,344/113,761,520.70
  6. Step 6: Final answer
    x = 168,941,669.85

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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.