Home / 65,191,817.20-97,675,751.40-31,039,625.20

Finding the Fourth Proportional to 65,191,817.20, 97,675,751.40 and 31,039,625.20

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Solution

The fourth proportional to 65,191,817.20, 97,675,751.40 and 31,039,625.20 is: 46,506,123.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,191,817.20 : 97,675,751.40 = 31,039,625.20 : x
  2. Step 2: Convert to fraction form
    65,191,817.20/97,675,751.40 = 31,039,625.20/x
  3. Step 3: Cross multiply
    65,191,817.20x = 97,675,751.40 × 31,039,625.20
  4. Step 4: Simplify right side
    65,191,817.20x = 3,031,818,714,584,375.50
  5. Step 5: Solve for x
    x = 3,031,818,714,584,375.50/65,191,817.20
  6. Step 6: Final answer
    x = 46,506,123.69

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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.