Home / 255,846,465.84-353,068,120.36-138,371,792.70

Finding the Fourth Proportional to 255,846,465.84, 353,068,120.36 and 138,371,792.70

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Solution

The fourth proportional to 255,846,465.84, 353,068,120.36 and 138,371,792.70 is: 190,953,072.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,846,465.84 : 353,068,120.36 = 138,371,792.70 : x
  2. Step 2: Convert to fraction form
    255,846,465.84/353,068,120.36 = 138,371,792.70/x
  3. Step 3: Cross multiply
    255,846,465.84x = 353,068,120.36 × 138,371,792.70
  4. Step 4: Simplify right side
    255,846,465.84x = 48,854,668,757,321,296
  5. Step 5: Solve for x
    x = 48,854,668,757,321,296/255,846,465.84
  6. Step 6: Final answer
    x = 190,953,072.57

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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.