Home / 51,127,532.79-70,557,736.36-30,237,472.82

Finding the Fourth Proportional to 51,127,532.79, 70,557,736.36 and 30,237,472.82

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Solution

The fourth proportional to 51,127,532.79, 70,557,736.36 and 30,237,472.82 is: 41,728,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127,532.79 : 70,557,736.36 = 30,237,472.82 : x
  2. Step 2: Convert to fraction form
    51,127,532.79/70,557,736.36 = 30,237,472.82/x
  3. Step 3: Cross multiply
    51,127,532.79x = 70,557,736.36 × 30,237,472.82
  4. Step 4: Simplify right side
    51,127,532.79x = 2,133,487,634,997,843.50
  5. Step 5: Solve for x
    x = 2,133,487,634,997,843.50/51,127,532.79
  6. Step 6: Final answer
    x = 41,728,742.20

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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.