Home / 65,288,301.70-97,820,478.15-31,136,109.70

Finding the Fourth Proportional to 65,288,301.70, 97,820,478.15 and 31,136,109.70

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Solution

The fourth proportional to 65,288,301.70, 97,820,478.15 and 31,136,109.70 is: 46,650,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,288,301.70 : 97,820,478.15 = 31,136,109.70 : x
  2. Step 2: Convert to fraction form
    65,288,301.70/97,820,478.15 = 31,136,109.70/x
  3. Step 3: Cross multiply
    65,288,301.70x = 97,820,478.15 × 31,136,109.70
  4. Step 4: Simplify right side
    65,288,301.70x = 3,045,749,138,584,853
  5. Step 5: Solve for x
    x = 3,045,749,138,584,853/65,288,301.70
  6. Step 6: Final answer
    x = 46,650,763.76

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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.