Home / 83,106,614.87-114,685,126.54-45,428,104.07

Finding the Fourth Proportional to 83,106,614.87, 114,685,126.54 and 45,428,104.07

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Solution

The fourth proportional to 83,106,614.87, 114,685,126.54 and 45,428,104.07 is: 62,689,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,614.87 : 114,685,126.54 = 45,428,104.07 : x
  2. Step 2: Convert to fraction form
    83,106,614.87/114,685,126.54 = 45,428,104.07/x
  3. Step 3: Cross multiply
    83,106,614.87x = 114,685,126.54 × 45,428,104.07
  4. Step 4: Simplify right side
    83,106,614.87x = 5,209,927,863,740,239
  5. Step 5: Solve for x
    x = 5,209,927,863,740,239/83,106,614.87
  6. Step 6: Final answer
    x = 62,689,689.29

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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.