Home / 128,667,006.56-192,953,789.02-70,417,734.14

Finding the Fourth Proportional to 128,667,006.56, 192,953,789.02 and 70,417,734.14

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Solution

The fourth proportional to 128,667,006.56, 192,953,789.02 and 70,417,734.14 is: 105,601,031.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,667,006.56 : 192,953,789.02 = 70,417,734.14 : x
  2. Step 2: Convert to fraction form
    128,667,006.56/192,953,789.02 = 70,417,734.14/x
  3. Step 3: Cross multiply
    128,667,006.56x = 192,953,789.02 × 70,417,734.14
  4. Step 4: Simplify right side
    128,667,006.56x = 13,587,368,616,516,012
  5. Step 5: Solve for x
    x = 13,587,368,616,516,012/128,667,006.56
  6. Step 6: Final answer
    x = 105,601,031.53

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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.