Home / 40,709,138.40-61,163,240.40-30,631,442.40

Finding the Fourth Proportional to 40,709,138.40, 61,163,240.40 and 30,631,442.40

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Solution

The fourth proportional to 40,709,138.40, 61,163,240.40 and 30,631,442.40 is: 46,022,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,709,138.40 : 61,163,240.40 = 30,631,442.40 : x
  2. Step 2: Convert to fraction form
    40,709,138.40/61,163,240.40 = 30,631,442.40/x
  3. Step 3: Cross multiply
    40,709,138.40x = 61,163,240.40 × 30,631,442.40
  4. Step 4: Simplify right side
    40,709,138.40x = 1,873,518,275,309,952.75
  5. Step 5: Solve for x
    x = 1,873,518,275,309,952.75/40,709,138.40
  6. Step 6: Final answer
    x = 46,022,056.69

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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.