Home / 65,153,315.60-97,729,973.40-43,328,805.20

Finding the Fourth Proportional to 65,153,315.60, 97,729,973.40 and 43,328,805.20

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Solution

The fourth proportional to 65,153,315.60, 97,729,973.40 and 43,328,805.20 is: 64,993,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,153,315.60 : 97,729,973.40 = 43,328,805.20 : x
  2. Step 2: Convert to fraction form
    65,153,315.60/97,729,973.40 = 43,328,805.20/x
  3. Step 3: Cross multiply
    65,153,315.60x = 97,729,973.40 × 43,328,805.20
  4. Step 4: Simplify right side
    65,153,315.60x = 4,234,522,979,649,782
  5. Step 5: Solve for x
    x = 4,234,522,979,649,782/65,153,315.60
  6. Step 6: Final answer
    x = 64,993,207.80

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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.