Home / 103,439,364.49-142,882,582.14-76,670,960.59

Finding the Fourth Proportional to 103,439,364.49, 142,882,582.14 and 76,670,960.59

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Solution

The fourth proportional to 103,439,364.49, 142,882,582.14 and 76,670,960.59 is: 105,906,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,439,364.49 : 142,882,582.14 = 76,670,960.59 : x
  2. Step 2: Convert to fraction form
    103,439,364.49/142,882,582.14 = 76,670,960.59/x
  3. Step 3: Cross multiply
    103,439,364.49x = 142,882,582.14 × 76,670,960.59
  4. Step 4: Simplify right side
    103,439,364.49x = 10,954,944,824,418,906
  5. Step 5: Solve for x
    x = 10,954,944,824,418,906/103,439,364.49
  6. Step 6: Final answer
    x = 105,906,923.14

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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.