Home / 84,485,458.32-116,576,615.16-49,209,069.12

Finding the Fourth Proportional to 84,485,458.32, 116,576,615.16 and 49,209,069.12

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Solution

The fourth proportional to 84,485,458.32, 116,576,615.16 and 49,209,069.12 is: 67,900,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,485,458.32 : 116,576,615.16 = 49,209,069.12 : x
  2. Step 2: Convert to fraction form
    84,485,458.32/116,576,615.16 = 49,209,069.12/x
  3. Step 3: Cross multiply
    84,485,458.32x = 116,576,615.16 × 49,209,069.12
  4. Step 4: Simplify right side
    84,485,458.32x = 5,736,626,713,184,079
  5. Step 5: Solve for x
    x = 5,736,626,713,184,079/84,485,458.32
  6. Step 6: Final answer
    x = 67,900,758.63

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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.