Home / 84,252,002.40-126,378,003.60-43,437,333.60

Finding the Fourth Proportional to 84,252,002.40, 126,378,003.60 and 43,437,333.60

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Solution

The fourth proportional to 84,252,002.40, 126,378,003.60 and 43,437,333.60 is: 65,156,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,252,002.40 : 126,378,003.60 = 43,437,333.60 : x
  2. Step 2: Convert to fraction form
    84,252,002.40/126,378,003.60 = 43,437,333.60/x
  3. Step 3: Cross multiply
    84,252,002.40x = 126,378,003.60 × 43,437,333.60
  4. Step 4: Simplify right side
    84,252,002.40x = 5,489,523,502,075,201
  5. Step 5: Solve for x
    x = 5,489,523,502,075,201/84,252,002.40
  6. Step 6: Final answer
    x = 65,156,000.40

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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.