Home / 105,957,857.64-146,188,980.42-61,873,055.40

Finding the Fourth Proportional to 105,957,857.64, 146,188,980.42 and 61,873,055.40

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Solution

The fourth proportional to 105,957,857.64, 146,188,980.42 and 61,873,055.40 is: 85,365,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957,857.64 : 146,188,980.42 = 61,873,055.40 : x
  2. Step 2: Convert to fraction form
    105,957,857.64/146,188,980.42 = 61,873,055.40/x
  3. Step 3: Cross multiply
    105,957,857.64x = 146,188,980.42 × 61,873,055.40
  4. Step 4: Simplify right side
    105,957,857.64x = 9,045,158,884,396,174
  5. Step 5: Solve for x
    x = 9,045,158,884,396,174/105,957,857.64
  6. Step 6: Final answer
    x = 85,365,626.35

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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.