Home / 245,560,053.60-368,391,256.20-81,848,669.40

Finding the Fourth Proportional to 245,560,053.60, 368,391,256.20 and 81,848,669.40

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Solution

The fourth proportional to 245,560,053.60, 368,391,256.20 and 81,848,669.40 is: 122,790,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,560,053.60 : 368,391,256.20 = 81,848,669.40 : x
  2. Step 2: Convert to fraction form
    245,560,053.60/368,391,256.20 = 81,848,669.40/x
  3. Step 3: Cross multiply
    245,560,053.60x = 368,391,256.20 × 81,848,669.40
  4. Step 4: Simplify right side
    245,560,053.60x = 30,152,334,138,564,500
  5. Step 5: Solve for x
    x = 30,152,334,138,564,500/245,560,053.60
  6. Step 6: Final answer
    x = 122,790,061.72

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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.