Home / 262,199,252.70-393,298,879.05-68,094,740.70

Finding the Fourth Proportional to 262,199,252.70, 393,298,879.05 and 68,094,740.70

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Solution

The fourth proportional to 262,199,252.70, 393,298,879.05 and 68,094,740.70 is: 102,142,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,199,252.70 : 393,298,879.05 = 68,094,740.70 : x
  2. Step 2: Convert to fraction form
    262,199,252.70/393,298,879.05 = 68,094,740.70/x
  3. Step 3: Cross multiply
    262,199,252.70x = 393,298,879.05 × 68,094,740.70
  4. Step 4: Simplify right side
    262,199,252.70x = 26,781,585,186,510,416
  5. Step 5: Solve for x
    x = 26,781,585,186,510,416/262,199,252.70
  6. Step 6: Final answer
    x = 102,142,111.05

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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.