Home / 83,512,498.78-115,247,012.43-46,348,389.82

Finding the Fourth Proportional to 83,512,498.78, 115,247,012.43 and 46,348,389.82

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Solution

The fourth proportional to 83,512,498.78, 115,247,012.43 and 46,348,389.82 is: 63,960,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,512,498.78 : 115,247,012.43 = 46,348,389.82 : x
  2. Step 2: Convert to fraction form
    83,512,498.78/115,247,012.43 = 46,348,389.82/x
  3. Step 3: Cross multiply
    83,512,498.78x = 115,247,012.43 × 46,348,389.82
  4. Step 4: Simplify right side
    83,512,498.78x = 5,341,513,457,696,026
  5. Step 5: Solve for x
    x = 5,341,513,457,696,026/83,512,498.78
  6. Step 6: Final answer
    x = 63,960,647.04

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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.