Home / 78,767,674.89-108,713,621.30-46,979,884.13

Finding the Fourth Proportional to 78,767,674.89, 108,713,621.30 and 46,979,884.13

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Solution

The fourth proportional to 78,767,674.89, 108,713,621.30 and 46,979,884.13 is: 64,840,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,767,674.89 : 108,713,621.30 = 46,979,884.13 : x
  2. Step 2: Convert to fraction form
    78,767,674.89/108,713,621.30 = 46,979,884.13/x
  3. Step 3: Cross multiply
    78,767,674.89x = 108,713,621.30 × 46,979,884.13
  4. Step 4: Simplify right side
    78,767,674.89x = 5,107,353,331,248,233
  5. Step 5: Solve for x
    x = 5,107,353,331,248,233/78,767,674.89
  6. Step 6: Final answer
    x = 64,840,727.35

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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.