Home / 83,106,612.87-114,685,123.78-45,428,102.07

Finding the Fourth Proportional to 83,106,612.87, 114,685,123.78 and 45,428,102.07

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Solution

The fourth proportional to 83,106,612.87, 114,685,123.78 and 45,428,102.07 is: 62,689,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,106,612.87 : 114,685,123.78 = 45,428,102.07 : x
  2. Step 2: Convert to fraction form
    83,106,612.87/114,685,123.78 = 45,428,102.07/x
  3. Step 3: Cross multiply
    83,106,612.87x = 114,685,123.78 × 45,428,102.07
  4. Step 4: Simplify right side
    83,106,612.87x = 5,209,927,508,360,064
  5. Step 5: Solve for x
    x = 5,209,927,508,360,064/83,106,612.87
  6. Step 6: Final answer
    x = 62,689,686.52

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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.