Home / 255,846,465.96-353,068,120.53-138,371,792.82

Finding the Fourth Proportional to 255,846,465.96, 353,068,120.53 and 138,371,792.82

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Solution

The fourth proportional to 255,846,465.96, 353,068,120.53 and 138,371,792.82 is: 190,953,072.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,846,465.96 : 353,068,120.53 = 138,371,792.82 : x
  2. Step 2: Convert to fraction form
    255,846,465.96/353,068,120.53 = 138,371,792.82/x
  3. Step 3: Cross multiply
    255,846,465.96x = 353,068,120.53 × 138,371,792.82
  4. Step 4: Simplify right side
    255,846,465.96x = 48,854,668,825,323,944
  5. Step 5: Solve for x
    x = 48,854,668,825,323,944/255,846,465.96
  6. Step 6: Final answer
    x = 190,953,072.74

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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.