Home / 191,630,010.55-287,447,320.87-53,447,203.63

Finding the Fourth Proportional to 191,630,010.55, 287,447,320.87 and 53,447,203.63

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Solution

The fourth proportional to 191,630,010.55, 287,447,320.87 and 53,447,203.63 is: 80,171,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630,010.55 : 287,447,320.87 = 53,447,203.63 : x
  2. Step 2: Convert to fraction form
    191,630,010.55/287,447,320.87 = 53,447,203.63/x
  3. Step 3: Cross multiply
    191,630,010.55x = 287,447,320.87 × 53,447,203.63
  4. Step 4: Simplify right side
    191,630,010.55x = 15,363,255,491,169,604
  5. Step 5: Solve for x
    x = 15,363,255,491,169,604/191,630,010.55
  6. Step 6: Final answer
    x = 80,171,448.34

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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.