Home / 78,767,673.39-108,713,619.22-46,979,882.63

Finding the Fourth Proportional to 78,767,673.39, 108,713,619.22 and 46,979,882.63

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Solution

The fourth proportional to 78,767,673.39, 108,713,619.22 and 46,979,882.63 is: 64,840,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767,673.39 : 108,713,619.22 = 46,979,882.63 : x
  2. Step 2: Convert to fraction form
    78,767,673.39/108,713,619.22 = 46,979,882.63/x
  3. Step 3: Cross multiply
    78,767,673.39x = 108,713,619.22 × 46,979,882.63
  4. Step 4: Simplify right side
    78,767,673.39x = 5,107,353,070,899,294
  5. Step 5: Solve for x
    x = 5,107,353,070,899,294/78,767,673.39
  6. Step 6: Final answer
    x = 64,840,725.28

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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.