Home / 102,213,564.20-153,320,346.30-61,398,895.40

Finding the Fourth Proportional to 102,213,564.20, 153,320,346.30 and 61,398,895.40

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Solution

The fourth proportional to 102,213,564.20, 153,320,346.30 and 61,398,895.40 is: 92,098,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213,564.20 : 153,320,346.30 = 61,398,895.40 : x
  2. Step 2: Convert to fraction form
    102,213,564.20/153,320,346.30 = 61,398,895.40/x
  3. Step 3: Cross multiply
    102,213,564.20x = 153,320,346.30 × 61,398,895.40
  4. Step 4: Simplify right side
    102,213,564.20x = 9,413,699,905,165,478
  5. Step 5: Solve for x
    x = 9,413,699,905,165,478/102,213,564.20
  6. Step 6: Final answer
    x = 92,098,343.10

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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.