Home / 65,610,090.80-98,415,136.20-38,288,337.20

Finding the Fourth Proportional to 65,610,090.80, 98,415,136.20 and 38,288,337.20

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Solution

The fourth proportional to 65,610,090.80, 98,415,136.20 and 38,288,337.20 is: 57,432,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,090.80 : 98,415,136.20 = 38,288,337.20 : x
  2. Step 2: Convert to fraction form
    65,610,090.80/98,415,136.20 = 38,288,337.20/x
  3. Step 3: Cross multiply
    65,610,090.80x = 98,415,136.20 × 38,288,337.20
  4. Step 4: Simplify right side
    65,610,090.80x = 3,768,151,920,409,527
  5. Step 5: Solve for x
    x = 3,768,151,920,409,527/65,610,090.80
  6. Step 6: Final answer
    x = 57,432,505.80

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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.