Home / 105,957,856.64-146,188,979.04-61,873,054.40

Finding the Fourth Proportional to 105,957,856.64, 146,188,979.04 and 61,873,054.40

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Solution

The fourth proportional to 105,957,856.64, 146,188,979.04 and 61,873,054.40 is: 85,365,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957,856.64 : 146,188,979.04 = 61,873,054.40 : x
  2. Step 2: Convert to fraction form
    105,957,856.64/146,188,979.04 = 61,873,054.40/x
  3. Step 3: Cross multiply
    105,957,856.64x = 146,188,979.04 × 61,873,054.40
  4. Step 4: Simplify right side
    105,957,856.64x = 9,045,158,652,822,380
  5. Step 5: Solve for x
    x = 9,045,158,652,822,380/105,957,856.64
  6. Step 6: Final answer
    x = 85,365,624.97

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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.