Home / 138,859,091.10-208,288,636.65-138,859,091.10

Finding the Fourth Proportional to 138,859,091.10, 208,288,636.65 and 138,859,091.10

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Solution

The fourth proportional to 138,859,091.10, 208,288,636.65 and 138,859,091.10 is: 208,288,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,859,091.10 : 208,288,636.65 = 138,859,091.10 : x
  2. Step 2: Convert to fraction form
    138,859,091.10/208,288,636.65 = 138,859,091.10/x
  3. Step 3: Cross multiply
    138,859,091.10x = 208,288,636.65 × 138,859,091.10
  4. Step 4: Simplify right side
    138,859,091.10x = 28,922,770,771,677,148
  5. Step 5: Solve for x
    x = 28,922,770,771,677,148/138,859,091.10
  6. Step 6: Final answer
    x = 208,288,636.65

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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.