Home / 278,102,711.51-383,782,162.29-150,943,435.40

Finding the Fourth Proportional to 278,102,711.51, 383,782,162.29 and 150,943,435.40

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Solution

The fourth proportional to 278,102,711.51, 383,782,162.29 and 150,943,435.40 is: 208,302,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,102,711.51 : 383,782,162.29 = 150,943,435.40 : x
  2. Step 2: Convert to fraction form
    278,102,711.51/383,782,162.29 = 150,943,435.40/x
  3. Step 3: Cross multiply
    278,102,711.51x = 383,782,162.29 × 150,943,435.40
  4. Step 4: Simplify right side
    278,102,711.51x = 57,929,398,021,684,840
  5. Step 5: Solve for x
    x = 57,929,398,021,684,840/278,102,711.51
  6. Step 6: Final answer
    x = 208,302,169.03

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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.