Home / 118,272,002.40-177,408,003.60-83,834,625.60

Finding the Fourth Proportional to 118,272,002.40, 177,408,003.60 and 83,834,625.60

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Solution

The fourth proportional to 118,272,002.40, 177,408,003.60 and 83,834,625.60 is: 125,751,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,272,002.40 : 177,408,003.60 = 83,834,625.60 : x
  2. Step 2: Convert to fraction form
    118,272,002.40/177,408,003.60 = 83,834,625.60/x
  3. Step 3: Cross multiply
    118,272,002.40x = 177,408,003.60 × 83,834,625.60
  4. Step 4: Simplify right side
    118,272,002.40x = 14,872,933,560,249,450
  5. Step 5: Solve for x
    x = 14,872,933,560,249,450/118,272,002.40
  6. Step 6: Final answer
    x = 125,751,938.40

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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.