Home / 68,362,095.15-94,340,321.64-40,486,390.83

Finding the Fourth Proportional to 68,362,095.15, 94,340,321.64 and 40,486,390.83

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Solution

The fourth proportional to 68,362,095.15, 94,340,321.64 and 40,486,390.83 is: 55,871,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362,095.15 : 94,340,321.64 = 40,486,390.83 : x
  2. Step 2: Convert to fraction form
    68,362,095.15/94,340,321.64 = 40,486,390.83/x
  3. Step 3: Cross multiply
    68,362,095.15x = 94,340,321.64 × 40,486,390.83
  4. Step 4: Simplify right side
    68,362,095.15x = 3,819,499,132,944,946.50
  5. Step 5: Solve for x
    x = 3,819,499,132,944,946.50/68,362,095.15
  6. Step 6: Final answer
    x = 55,871,592.65

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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.