Home / 217,188,430.25-299,438,711.42-140,670,551.75

Finding the Fourth Proportional to 217,188,430.25, 299,438,711.42 and 140,670,551.75

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Solution

The fourth proportional to 217,188,430.25, 299,438,711.42 and 140,670,551.75 is: 193,943,152.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188,430.25 : 299,438,711.42 = 140,670,551.75 : x
  2. Step 2: Convert to fraction form
    217,188,430.25/299,438,711.42 = 140,670,551.75/x
  3. Step 3: Cross multiply
    217,188,430.25x = 299,438,711.42 × 140,670,551.75
  4. Step 4: Simplify right side
    217,188,430.25x = 42,122,208,748,559,888
  5. Step 5: Solve for x
    x = 42,122,208,748,559,888/217,188,430.25
  6. Step 6: Final answer
    x = 193,943,152.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.