Home / 51,711,789.45-71,362,750.83-28,507,746.81

Finding the Fourth Proportional to 51,711,789.45, 71,362,750.83 and 28,507,746.81

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Solution

The fourth proportional to 51,711,789.45, 71,362,750.83 and 28,507,746.81 is: 39,340,955.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,711,789.45 : 71,362,750.83 = 28,507,746.81 : x
  2. Step 2: Convert to fraction form
    51,711,789.45/71,362,750.83 = 28,507,746.81/x
  3. Step 3: Cross multiply
    51,711,789.45x = 71,362,750.83 × 28,507,746.81
  4. Step 4: Simplify right side
    51,711,789.45x = 2,034,391,232,326,757.25
  5. Step 5: Solve for x
    x = 2,034,391,232,326,757.25/51,711,789.45
  6. Step 6: Final answer
    x = 39,340,955.98

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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.