Home / 51,342,373.92-70,852,576.32-28,138,362.24

Finding the Fourth Proportional to 51,342,373.92, 70,852,576.32 and 28,138,362.24

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Solution

The fourth proportional to 51,342,373.92, 70,852,576.32 and 28,138,362.24 is: 38,830,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,342,373.92 : 70,852,576.32 = 28,138,362.24 : x
  2. Step 2: Convert to fraction form
    51,342,373.92/70,852,576.32 = 28,138,362.24/x
  3. Step 3: Cross multiply
    51,342,373.92x = 70,852,576.32 × 28,138,362.24
  4. Step 4: Simplify right side
    51,342,373.92x = 1,993,675,458,129,405.75
  5. Step 5: Solve for x
    x = 1,993,675,458,129,405.75/51,342,373.92
  6. Step 6: Final answer
    x = 38,830,994.87

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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.