Home / 195,021,048.81-269,123,214.65-106,912,035.21

Finding the Fourth Proportional to 195,021,048.81, 269,123,214.65 and 106,912,035.21

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Solution

The fourth proportional to 195,021,048.81, 269,123,214.65 and 106,912,035.21 is: 147,535,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,021,048.81 : 269,123,214.65 = 106,912,035.21 : x
  2. Step 2: Convert to fraction form
    195,021,048.81/269,123,214.65 = 106,912,035.21/x
  3. Step 3: Cross multiply
    195,021,048.81x = 269,123,214.65 × 106,912,035.21
  4. Step 4: Simplify right side
    195,021,048.81x = 28,772,510,599,954,624
  5. Step 5: Solve for x
    x = 28,772,510,599,954,624/195,021,048.81
  6. Step 6: Final answer
    x = 147,535,411.05

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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.