Home / 73,753,439.90-110,630,159.85-66,447,110.30

Finding the Fourth Proportional to 73,753,439.90, 110,630,159.85 and 66,447,110.30

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Solution

The fourth proportional to 73,753,439.90, 110,630,159.85 and 66,447,110.30 is: 99,670,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753,439.90 : 110,630,159.85 = 66,447,110.30 : x
  2. Step 2: Convert to fraction form
    73,753,439.90/110,630,159.85 = 66,447,110.30/x
  3. Step 3: Cross multiply
    73,753,439.90x = 110,630,159.85 × 66,447,110.30
  4. Step 4: Simplify right side
    73,753,439.90x = 7,351,054,434,059,581
  5. Step 5: Solve for x
    x = 7,351,054,434,059,581/73,753,439.90
  6. Step 6: Final answer
    x = 99,670,665.45

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Similar ratio
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1.5x scale

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.