Home / 193,451,518.08-266,963,111.68-105,345,489.32

Finding the Fourth Proportional to 193,451,518.08, 266,963,111.68 and 105,345,489.32

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Solution

The fourth proportional to 193,451,518.08, 266,963,111.68 and 105,345,489.32 is: 145,376,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,451,518.08 : 266,963,111.68 = 105,345,489.32 : x
  2. Step 2: Convert to fraction form
    193,451,518.08/266,963,111.68 = 105,345,489.32/x
  3. Step 3: Cross multiply
    193,451,518.08x = 266,963,111.68 × 105,345,489.32
  4. Step 4: Simplify right side
    193,451,518.08x = 28,123,359,630,319,408
  5. Step 5: Solve for x
    x = 28,123,359,630,319,408/193,451,518.08
  6. Step 6: Final answer
    x = 145,376,784.37

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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.