Home / 191,609,652.62-287,410,352.28-53,431,578.15

Finding the Fourth Proportional to 191,609,652.62, 287,410,352.28 and 53,431,578.15

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Solution

The fourth proportional to 191,609,652.62, 287,410,352.28 and 53,431,578.15 is: 80,146,216.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,609,652.62 : 287,410,352.28 = 53,431,578.15 : x
  2. Step 2: Convert to fraction form
    191,609,652.62/287,410,352.28 = 53,431,578.15/x
  3. Step 3: Cross multiply
    191,609,652.62x = 287,410,352.28 × 53,431,578.15
  4. Step 4: Simplify right side
    191,609,652.62x = 15,356,788,698,967,848
  5. Step 5: Solve for x
    x = 15,356,788,698,967,848/191,609,652.62
  6. Step 6: Final answer
    x = 80,146,216.48

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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.