Home / 185,783,601.94-278,784,070.64-69,279,445.16

Finding the Fourth Proportional to 185,783,601.94, 278,784,070.64 and 69,279,445.16

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Solution

The fourth proportional to 185,783,601.94, 278,784,070.64 and 69,279,445.16 is: 103,959,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,783,601.94 : 278,784,070.64 = 69,279,445.16 : x
  2. Step 2: Convert to fraction form
    185,783,601.94/278,784,070.64 = 69,279,445.16/x
  3. Step 3: Cross multiply
    185,783,601.94x = 278,784,070.64 × 69,279,445.16
  4. Step 4: Simplify right side
    185,783,601.94x = 19,314,005,733,385,444
  5. Step 5: Solve for x
    x = 19,314,005,733,385,444/185,783,601.94
  6. Step 6: Final answer
    x = 103,959,690.37

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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.