Home / 79,839,602.88-110,178,730.08-43,170,164.16

Finding the Fourth Proportional to 79,839,602.88, 110,178,730.08 and 43,170,164.16

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Solution

The fourth proportional to 79,839,602.88, 110,178,730.08 and 43,170,164.16 is: 59,574,868.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839,602.88 : 110,178,730.08 = 43,170,164.16 : x
  2. Step 2: Convert to fraction form
    79,839,602.88/110,178,730.08 = 43,170,164.16/x
  3. Step 3: Cross multiply
    79,839,602.88x = 110,178,730.08 × 43,170,164.16
  4. Step 4: Simplify right side
    79,839,602.88x = 4,756,433,864,493,929
  5. Step 5: Solve for x
    x = 4,756,433,864,493,929/79,839,602.88
  6. Step 6: Final answer
    x = 59,574,868.77

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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.