Home / 191,736,437.52-287,606,755.80-55,423,002

Finding the Fourth Proportional to 191,736,437.52, 287,606,755.80 and 55,423,002

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Solution

The fourth proportional to 191,736,437.52, 287,606,755.80 and 55,423,002 is: 83,135,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,736,437.52 : 287,606,755.80 = 55,423,002 : x
  2. Step 2: Convert to fraction form
    191,736,437.52/287,606,755.80 = 55,423,002/x
  3. Step 3: Cross multiply
    191,736,437.52x = 287,606,755.80 × 55,423,002
  4. Step 4: Simplify right side
    191,736,437.52x = 15,940,029,801,916,912
  5. Step 5: Solve for x
    x = 15,940,029,801,916,912/191,736,437.52
  6. Step 6: Final answer
    x = 83,135,109.88

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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.