Home / 45,905,710.40-68,842,472.16-13,548,979.52

Finding the Fourth Proportional to 45,905,710.40, 68,842,472.16 and 13,548,979.52

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Solution

The fourth proportional to 45,905,710.40, 68,842,472.16 and 13,548,979.52 is: 20,318,719.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,905,710.40 : 68,842,472.16 = 13,548,979.52 : x
  2. Step 2: Convert to fraction form
    45,905,710.40/68,842,472.16 = 13,548,979.52/x
  3. Step 3: Cross multiply
    45,905,710.40x = 68,842,472.16 × 13,548,979.52
  4. Step 4: Simplify right side
    45,905,710.40x = 932,745,245,402,010.12
  5. Step 5: Solve for x
    x = 932,745,245,402,010.12/45,905,710.40
  6. Step 6: Final answer
    x = 20,318,719.33

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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.