Home / 191,306,371.88-286,957,666.74-87,646,173.72

Finding the Fourth Proportional to 191,306,371.88, 286,957,666.74 and 87,646,173.72

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Solution

The fourth proportional to 191,306,371.88, 286,957,666.74 and 87,646,173.72 is: 131,468,394.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,306,371.88 : 286,957,666.74 = 87,646,173.72 : x
  2. Step 2: Convert to fraction form
    191,306,371.88/286,957,666.74 = 87,646,173.72/x
  3. Step 3: Cross multiply
    191,306,371.88x = 286,957,666.74 × 87,646,173.72
  4. Step 4: Simplify right side
    191,306,371.88x = 25,150,741,509,379,908
  5. Step 5: Solve for x
    x = 25,150,741,509,379,908/191,306,371.88
  6. Step 6: Final answer
    x = 131,468,394.19

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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.