Home / 342,712,289.67-514,142,182.34-106,357,143.39

Finding the Fourth Proportional to 342,712,289.67, 514,142,182.34 and 106,357,143.39

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Solution

The fourth proportional to 342,712,289.67, 514,142,182.34 and 106,357,143.39 is: 159,558,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,712,289.67 : 514,142,182.34 = 106,357,143.39 : x
  2. Step 2: Convert to fraction form
    342,712,289.67/514,142,182.34 = 106,357,143.39/x
  3. Step 3: Cross multiply
    342,712,289.67x = 514,142,182.34 × 106,357,143.39
  4. Step 4: Simplify right side
    342,712,289.67x = 54,682,693,809,451,120
  5. Step 5: Solve for x
    x = 54,682,693,809,451,120/342,712,289.67
  6. Step 6: Final answer
    x = 159,558,601.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.