Home / 292,413,212.70-438,619,819.05-120,013,752.30

Finding the Fourth Proportional to 292,413,212.70, 438,619,819.05 and 120,013,752.30

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Solution

The fourth proportional to 292,413,212.70, 438,619,819.05 and 120,013,752.30 is: 180,020,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,413,212.70 : 438,619,819.05 = 120,013,752.30 : x
  2. Step 2: Convert to fraction form
    292,413,212.70/438,619,819.05 = 120,013,752.30/x
  3. Step 3: Cross multiply
    292,413,212.70x = 438,619,819.05 × 120,013,752.30
  4. Step 4: Simplify right side
    292,413,212.70x = 52,640,410,317,337,520
  5. Step 5: Solve for x
    x = 52,640,410,317,337,520/292,413,212.70
  6. Step 6: Final answer
    x = 180,020,628.45

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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.