Home / 272,931,446.64-409,336,810.68-78,800,651.76

Finding the Fourth Proportional to 272,931,446.64, 409,336,810.68 and 78,800,651.76

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Solution

The fourth proportional to 272,931,446.64, 409,336,810.68 and 78,800,651.76 is: 118,183,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931,446.64 : 409,336,810.68 = 78,800,651.76 : x
  2. Step 2: Convert to fraction form
    272,931,446.64/409,336,810.68 = 78,800,651.76/x
  3. Step 3: Cross multiply
    272,931,446.64x = 409,336,810.68 × 78,800,651.76
  4. Step 4: Simplify right side
    272,931,446.64x = 32,256,007,470,943,732
  5. Step 5: Solve for x
    x = 32,256,007,470,943,732/272,931,446.64
  6. Step 6: Final answer
    x = 118,183,550.73

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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.