Home / 47,212,945-70,741,124.44-28,712,932.53

Finding the Fourth Proportional to 47,212,945, 70,741,124.44 and 28,712,932.53

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Solution

The fourth proportional to 47,212,945, 70,741,124.44 and 28,712,932.53 is: 43,021,784.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212,945 : 70,741,124.44 = 28,712,932.53 : x
  2. Step 2: Convert to fraction form
    47,212,945/70,741,124.44 = 28,712,932.53/x
  3. Step 3: Cross multiply
    47,212,945x = 70,741,124.44 × 28,712,932.53
  4. Step 4: Simplify right side
    47,212,945x = 2,031,185,133,142,054
  5. Step 5: Solve for x
    x = 2,031,185,133,142,054/47,212,945
  6. Step 6: Final answer
    x = 43,021,784.24

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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.