Home / 220,493,089.36-330,669,099.12-72,913,234.24

Finding the Fourth Proportional to 220,493,089.36, 330,669,099.12 and 72,913,234.24

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Solution

The fourth proportional to 220,493,089.36, 330,669,099.12 and 72,913,234.24 is: 109,346,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,493,089.36 : 330,669,099.12 = 72,913,234.24 : x
  2. Step 2: Convert to fraction form
    220,493,089.36/330,669,099.12 = 72,913,234.24/x
  3. Step 3: Cross multiply
    220,493,089.36x = 330,669,099.12 × 72,913,234.24
  4. Step 4: Simplify right side
    220,493,089.36x = 24,110,153,480,066,336
  5. Step 5: Solve for x
    x = 24,110,153,480,066,336/220,493,089.36
  6. Step 6: Final answer
    x = 109,346,526.69

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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.