Home / 89,372,001.06-123,388,385.52-70,861,911.03

Finding the Fourth Proportional to 89,372,001.06, 123,388,385.52 and 70,861,911.03

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Solution

The fourth proportional to 89,372,001.06, 123,388,385.52 and 70,861,911.03 is: 97,833,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,372,001.06 : 123,388,385.52 = 70,861,911.03 : x
  2. Step 2: Convert to fraction form
    89,372,001.06/123,388,385.52 = 70,861,911.03/x
  3. Step 3: Cross multiply
    89,372,001.06x = 123,388,385.52 × 70,861,911.03
  4. Step 4: Simplify right side
    89,372,001.06x = 8,743,536,796,853,580
  5. Step 5: Solve for x
    x = 8,743,536,796,853,580/89,372,001.06
  6. Step 6: Final answer
    x = 97,833,065.09

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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.