Home / 194,870,808.86-268,921,710.32-106,768,148.09

Finding the Fourth Proportional to 194,870,808.86, 268,921,710.32 and 106,768,148.09

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Solution

The fourth proportional to 194,870,808.86, 268,921,710.32 and 106,768,148.09 is: 147,340,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,870,808.86 : 268,921,710.32 = 106,768,148.09 : x
  2. Step 2: Convert to fraction form
    194,870,808.86/268,921,710.32 = 106,768,148.09/x
  3. Step 3: Cross multiply
    194,870,808.86x = 268,921,710.32 × 106,768,148.09
  4. Step 4: Simplify right side
    194,870,808.86x = 28,712,272,990,183,388
  5. Step 5: Solve for x
    x = 28,712,272,990,183,388/194,870,808.86
  6. Step 6: Final answer
    x = 147,340,041.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.