Home / 101,564,509.72-140,201,928.60-68,569,450.87

Finding the Fourth Proportional to 101,564,509.72, 140,201,928.60 and 68,569,450.87

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Solution

The fourth proportional to 101,564,509.72, 140,201,928.60 and 68,569,450.87 is: 94,654,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,564,509.72 : 140,201,928.60 = 68,569,450.87 : x
  2. Step 2: Convert to fraction form
    101,564,509.72/140,201,928.60 = 68,569,450.87/x
  3. Step 3: Cross multiply
    101,564,509.72x = 140,201,928.60 × 68,569,450.87
  4. Step 4: Simplify right side
    101,564,509.72x = 9,613,569,255,016,948
  5. Step 5: Solve for x
    x = 9,613,569,255,016,948/101,564,509.72
  6. Step 6: Final answer
    x = 94,654,808.87

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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.