Home / 79,930,807.32-119,896,133.63-30,084,935.39

Finding the Fourth Proportional to 79,930,807.32, 119,896,133.63 and 30,084,935.39

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Solution

The fourth proportional to 79,930,807.32, 119,896,133.63 and 30,084,935.39 is: 45,127,373.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930,807.32 : 119,896,133.63 = 30,084,935.39 : x
  2. Step 2: Convert to fraction form
    79,930,807.32/119,896,133.63 = 30,084,935.39/x
  3. Step 3: Cross multiply
    79,930,807.32x = 119,896,133.63 × 30,084,935.39
  4. Step 4: Simplify right side
    79,930,807.32x = 3,607,067,433,019,451
  5. Step 5: Solve for x
    x = 3,607,067,433,019,451/79,930,807.32
  6. Step 6: Final answer
    x = 45,127,373.96

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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.