Home / 133,007,071.80-199,400,015.70-56,388,934.20

Finding the Fourth Proportional to 133,007,071.80, 199,400,015.70 and 56,388,934.20

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Solution

The fourth proportional to 133,007,071.80, 199,400,015.70 and 56,388,934.20 is: 84,536,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,007,071.80 : 199,400,015.70 = 56,388,934.20 : x
  2. Step 2: Convert to fraction form
    133,007,071.80/199,400,015.70 = 56,388,934.20/x
  3. Step 3: Cross multiply
    133,007,071.80x = 199,400,015.70 × 56,388,934.20
  4. Step 4: Simplify right side
    133,007,071.80x = 11,243,954,364,786,266
  5. Step 5: Solve for x
    x = 11,243,954,364,786,266/133,007,071.80
  6. Step 6: Final answer
    x = 84,536,515.33

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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.