Home / 191,630,270.31-287,447,708.99-53,447,466.47

Finding the Fourth Proportional to 191,630,270.31, 287,447,708.99 and 53,447,466.47

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Solution

The fourth proportional to 191,630,270.31, 287,447,708.99 and 53,447,466.47 is: 80,171,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630,270.31 : 287,447,708.99 = 53,447,466.47 : x
  2. Step 2: Convert to fraction form
    191,630,270.31/287,447,708.99 = 53,447,466.47/x
  3. Step 3: Cross multiply
    191,630,270.31x = 287,447,708.99 × 53,447,466.47
  4. Step 4: Simplify right side
    191,630,270.31x = 15,363,351,788,121,342
  5. Step 5: Solve for x
    x = 15,363,351,788,121,342/191,630,270.31
  6. Step 6: Final answer
    x = 80,171,842.18

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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.