Home / 69,984,131.60-104,976,197.40-65,732,603.60

Finding the Fourth Proportional to 69,984,131.60, 104,976,197.40 and 65,732,603.60

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Solution

The fourth proportional to 69,984,131.60, 104,976,197.40 and 65,732,603.60 is: 98,598,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,131.60 : 104,976,197.40 = 65,732,603.60 : x
  2. Step 2: Convert to fraction form
    69,984,131.60/104,976,197.40 = 65,732,603.60/x
  3. Step 3: Cross multiply
    69,984,131.60x = 104,976,197.40 × 65,732,603.60
  4. Step 4: Simplify right side
    69,984,131.60x = 6,900,358,771,129,551
  5. Step 5: Solve for x
    x = 6,900,358,771,129,551/69,984,131.60
  6. Step 6: Final answer
    x = 98,598,905.40

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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.