Home / 191,529,266.40-287,331,224.40-76,494,232.80

Finding the Fourth Proportional to 191,529,266.40, 287,331,224.40 and 76,494,232.80

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Solution

The fourth proportional to 191,529,266.40, 287,331,224.40 and 76,494,232.80 is: 114,756,256.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,529,266.40 : 287,331,224.40 = 76,494,232.80 : x
  2. Step 2: Convert to fraction form
    191,529,266.40/287,331,224.40 = 76,494,232.80/x
  3. Step 3: Cross multiply
    191,529,266.40x = 287,331,224.40 × 76,494,232.80
  4. Step 4: Simplify right side
    191,529,266.40x = 21,979,181,569,962,636
  5. Step 5: Solve for x
    x = 21,979,181,569,962,636/191,529,266.40
  6. Step 6: Final answer
    x = 114,756,256.23

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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.