Home / 73,705,251-101,712,960.36-40,667,556.72

Finding the Fourth Proportional to 73,705,251, 101,712,960.36 and 40,667,556.72

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Solution

The fourth proportional to 73,705,251, 101,712,960.36 and 40,667,556.72 is: 56,121,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,705,251 : 101,712,960.36 = 40,667,556.72 : x
  2. Step 2: Convert to fraction form
    73,705,251/101,712,960.36 = 40,667,556.72/x
  3. Step 3: Cross multiply
    73,705,251x = 101,712,960.36 × 40,667,556.72
  4. Step 4: Simplify right side
    73,705,251x = 4,136,417,584,599,411.50
  5. Step 5: Solve for x
    x = 4,136,417,584,599,411.50/73,705,251
  6. Step 6: Final answer
    x = 56,121,070.46

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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.