Home / 67,182,430.40-100,773,645.60-28,837,419.20

Finding the Fourth Proportional to 67,182,430.40, 100,773,645.60 and 28,837,419.20

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Solution

The fourth proportional to 67,182,430.40, 100,773,645.60 and 28,837,419.20 is: 43,256,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182,430.40 : 100,773,645.60 = 28,837,419.20 : x
  2. Step 2: Convert to fraction form
    67,182,430.40/100,773,645.60 = 28,837,419.20/x
  3. Step 3: Cross multiply
    67,182,430.40x = 100,773,645.60 × 28,837,419.20
  4. Step 4: Simplify right side
    67,182,430.40x = 2,906,051,862,479,435.50
  5. Step 5: Solve for x
    x = 2,906,051,862,479,435.50/67,182,430.40
  6. Step 6: Final answer
    x = 43,256,128.80

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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.