Home / 191,630,268.31-287,447,705.99-53,447,464.47

Finding the Fourth Proportional to 191,630,268.31, 287,447,705.99 and 53,447,464.47

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Solution

The fourth proportional to 191,630,268.31, 287,447,705.99 and 53,447,464.47 is: 80,171,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630,268.31 : 287,447,705.99 = 53,447,464.47 : x
  2. Step 2: Convert to fraction form
    191,630,268.31/287,447,705.99 = 53,447,464.47/x
  3. Step 3: Cross multiply
    191,630,268.31x = 287,447,705.99 × 53,447,464.47
  4. Step 4: Simplify right side
    191,630,268.31x = 15,363,351,051,318,978
  5. Step 5: Solve for x
    x = 15,363,351,051,318,978/191,630,268.31
  6. Step 6: Final answer
    x = 80,171,839.17

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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.