Home / 146,709,845.80-220,064,768.70-89,314,217.80

Finding the Fourth Proportional to 146,709,845.80, 220,064,768.70 and 89,314,217.80

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Solution

The fourth proportional to 146,709,845.80, 220,064,768.70 and 89,314,217.80 is: 133,971,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,845.80 : 220,064,768.70 = 89,314,217.80 : x
  2. Step 2: Convert to fraction form
    146,709,845.80/220,064,768.70 = 89,314,217.80/x
  3. Step 3: Cross multiply
    146,709,845.80x = 220,064,768.70 × 89,314,217.80
  4. Step 4: Simplify right side
    146,709,845.80x = 19,654,912,681,778,420
  5. Step 5: Solve for x
    x = 19,654,912,681,778,420/146,709,845.80
  6. Step 6: Final answer
    x = 133,971,326.70

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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.