Home / 139,013,207.24-191,825,547.23-82,488,213.54

Finding the Fourth Proportional to 139,013,207.24, 191,825,547.23 and 82,488,213.54

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Solution

The fourth proportional to 139,013,207.24, 191,825,547.23 and 82,488,213.54 is: 113,826,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,013,207.24 : 191,825,547.23 = 82,488,213.54 : x
  2. Step 2: Convert to fraction form
    139,013,207.24/191,825,547.23 = 82,488,213.54/x
  3. Step 3: Cross multiply
    139,013,207.24x = 191,825,547.23 × 82,488,213.54
  4. Step 4: Simplify right side
    139,013,207.24x = 15,823,346,702,541,816
  5. Step 5: Solve for x
    x = 15,823,346,702,541,816/139,013,207.24
  6. Step 6: Final answer
    x = 113,826,211.32

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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.