Home / 86,059,044.78-118,746,941.49-48,377,189.35

Finding the Fourth Proportional to 86,059,044.78, 118,746,941.49 and 48,377,189.35

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Solution

The fourth proportional to 86,059,044.78, 118,746,941.49 and 48,377,189.35 is: 66,752,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,059,044.78 : 118,746,941.49 = 48,377,189.35 : x
  2. Step 2: Convert to fraction form
    86,059,044.78/118,746,941.49 = 48,377,189.35/x
  3. Step 3: Cross multiply
    86,059,044.78x = 118,746,941.49 × 48,377,189.35
  4. Step 4: Simplify right side
    86,059,044.78x = 5,744,643,273,139,383
  5. Step 5: Solve for x
    x = 5,744,643,273,139,383/86,059,044.78
  6. Step 6: Final answer
    x = 66,752,347.62

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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.