Home / 288,959,466.92-433,440,041.13-122,920,192.76

Finding the Fourth Proportional to 288,959,466.92, 433,440,041.13 and 122,920,192.76

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Solution

The fourth proportional to 288,959,466.92, 433,440,041.13 and 122,920,192.76 is: 184,380,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,959,466.92 : 433,440,041.13 = 122,920,192.76 : x
  2. Step 2: Convert to fraction form
    288,959,466.92/433,440,041.13 = 122,920,192.76/x
  3. Step 3: Cross multiply
    288,959,466.92x = 433,440,041.13 × 122,920,192.76
  4. Step 4: Simplify right side
    288,959,466.92x = 53,278,533,405,588,864
  5. Step 5: Solve for x
    x = 53,278,533,405,588,864/288,959,466.92
  6. Step 6: Final answer
    x = 184,380,646.79

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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.