Home / 248,059,376-342,318,595.20-138,051,059.84

Finding the Fourth Proportional to 248,059,376, 342,318,595.20 and 138,051,059.84

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Solution

The fourth proportional to 248,059,376, 342,318,595.20 and 138,051,059.84 is: 190,508,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,059,376 : 342,318,595.20 = 138,051,059.84 : x
  2. Step 2: Convert to fraction form
    248,059,376/342,318,595.20 = 138,051,059.84/x
  3. Step 3: Cross multiply
    248,059,376x = 342,318,595.20 × 138,051,059.84
  4. Step 4: Simplify right side
    248,059,376x = 47,257,444,870,299,936
  5. Step 5: Solve for x
    x = 47,257,444,870,299,936/248,059,376
  6. Step 6: Final answer
    x = 190,508,601.74

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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.