Home / 221,675,117.40-332,512,676.10-140,045,779.80

Finding the Fourth Proportional to 221,675,117.40, 332,512,676.10 and 140,045,779.80

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Solution

The fourth proportional to 221,675,117.40, 332,512,676.10 and 140,045,779.80 is: 210,068,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,675,117.40 : 332,512,676.10 = 140,045,779.80 : x
  2. Step 2: Convert to fraction form
    221,675,117.40/332,512,676.10 = 140,045,779.80/x
  3. Step 3: Cross multiply
    221,675,117.40x = 332,512,676.10 × 140,045,779.80
  4. Step 4: Simplify right side
    221,675,117.40x = 46,566,997,017,809,328
  5. Step 5: Solve for x
    x = 46,566,997,017,809,328/221,675,117.40
  6. Step 6: Final answer
    x = 210,068,669.70

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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.