Home / 165,120,278.57-247,680,461.59-48,535,639.37

Finding the Fourth Proportional to 165,120,278.57, 247,680,461.59 and 48,535,639.37

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Solution

The fourth proportional to 165,120,278.57, 247,680,461.59 and 48,535,639.37 is: 72,803,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,278.57 : 247,680,461.59 = 48,535,639.37 : x
  2. Step 2: Convert to fraction form
    165,120,278.57/247,680,461.59 = 48,535,639.37/x
  3. Step 3: Cross multiply
    165,120,278.57x = 247,680,461.59 × 48,535,639.37
  4. Step 4: Simplify right side
    165,120,278.57x = 12,021,329,562,727,376
  5. Step 5: Solve for x
    x = 12,021,329,562,727,376/165,120,278.57
  6. Step 6: Final answer
    x = 72,803,471.91

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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.