Home / 73,753,438.90-110,630,158.35-66,447,109.30

Finding the Fourth Proportional to 73,753,438.90, 110,630,158.35 and 66,447,109.30

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Solution

The fourth proportional to 73,753,438.90, 110,630,158.35 and 66,447,109.30 is: 99,670,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753,438.90 : 110,630,158.35 = 66,447,109.30 : x
  2. Step 2: Convert to fraction form
    73,753,438.90/110,630,158.35 = 66,447,109.30/x
  3. Step 3: Cross multiply
    73,753,438.90x = 110,630,158.35 × 66,447,109.30
  4. Step 4: Simplify right side
    73,753,438.90x = 7,351,054,223,758,757
  5. Step 5: Solve for x
    x = 7,351,054,223,758,757/73,753,438.90
  6. Step 6: Final answer
    x = 99,670,663.95

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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.