Home / 194,184,008.20-291,276,012.30-79,105,817.80

Finding the Fourth Proportional to 194,184,008.20, 291,276,012.30 and 79,105,817.80

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Solution

The fourth proportional to 194,184,008.20, 291,276,012.30 and 79,105,817.80 is: 118,658,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,184,008.20 : 291,276,012.30 = 79,105,817.80 : x
  2. Step 2: Convert to fraction form
    194,184,008.20/291,276,012.30 = 79,105,817.80/x
  3. Step 3: Cross multiply
    194,184,008.20x = 291,276,012.30 × 79,105,817.80
  4. Step 4: Simplify right side
    194,184,008.20x = 23,041,627,158,514,360
  5. Step 5: Solve for x
    x = 23,041,627,158,514,360/194,184,008.20
  6. Step 6: Final answer
    x = 118,658,726.70

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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.