Home / 194,822,458.16-292,247,321.16-78,237,795.20

Finding the Fourth Proportional to 194,822,458.16, 292,247,321.16 and 78,237,795.20

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Solution

The fourth proportional to 194,822,458.16, 292,247,321.16 and 78,237,795.20 is: 117,362,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,822,458.16 : 292,247,321.16 = 78,237,795.20 : x
  2. Step 2: Convert to fraction form
    194,822,458.16/292,247,321.16 = 78,237,795.20/x
  3. Step 3: Cross multiply
    194,822,458.16x = 292,247,321.16 × 78,237,795.20
  4. Step 4: Simplify right side
    194,822,458.16x = 22,864,786,060,664,708
  5. Step 5: Solve for x
    x = 22,864,786,060,664,708/194,822,458.16
  6. Step 6: Final answer
    x = 117,362,167.98

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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.