Home / 105,634,848.96-145,722,049.92-70,413,301.44

Finding the Fourth Proportional to 105,634,848.96, 145,722,049.92 and 70,413,301.44

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Solution

The fourth proportional to 105,634,848.96, 145,722,049.92 and 70,413,301.44 is: 97,134,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634,848.96 : 145,722,049.92 = 70,413,301.44 : x
  2. Step 2: Convert to fraction form
    105,634,848.96/145,722,049.92 = 70,413,301.44/x
  3. Step 3: Cross multiply
    105,634,848.96x = 145,722,049.92 × 70,413,301.44
  4. Step 4: Simplify right side
    105,634,848.96x = 10,260,770,627,471,686
  5. Step 5: Solve for x
    x = 10,260,770,627,471,686/105,634,848.96
  6. Step 6: Final answer
    x = 97,134,333.30

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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.