Home / 42,668,281.40-64,002,422.10-31,330,873.40

Finding the Fourth Proportional to 42,668,281.40, 64,002,422.10 and 31,330,873.40

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Solution

The fourth proportional to 42,668,281.40, 64,002,422.10 and 31,330,873.40 is: 46,996,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,668,281.40 : 64,002,422.10 = 31,330,873.40 : x
  2. Step 2: Convert to fraction form
    42,668,281.40/64,002,422.10 = 31,330,873.40/x
  3. Step 3: Cross multiply
    42,668,281.40x = 64,002,422.10 × 31,330,873.40
  4. Step 4: Simplify right side
    42,668,281.40x = 2,005,251,784,108,462
  5. Step 5: Solve for x
    x = 2,005,251,784,108,462/42,668,281.40
  6. Step 6: Final answer
    x = 46,996,310.10

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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.