Home / 146,709,832.80-220,064,749.20-89,314,204.80

Finding the Fourth Proportional to 146,709,832.80, 220,064,749.20 and 89,314,204.80

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Solution

The fourth proportional to 146,709,832.80, 220,064,749.20 and 89,314,204.80 is: 133,971,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,832.80 : 220,064,749.20 = 89,314,204.80 : x
  2. Step 2: Convert to fraction form
    146,709,832.80/220,064,749.20 = 89,314,204.80/x
  3. Step 3: Cross multiply
    146,709,832.80x = 220,064,749.20 × 89,314,204.80
  4. Step 4: Simplify right side
    146,709,832.80x = 19,654,908,079,309,436
  5. Step 5: Solve for x
    x = 19,654,908,079,309,436/146,709,832.80
  6. Step 6: Final answer
    x = 133,971,307.20

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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.