Home / 219,176,648.61-302,453,026.76-120,057,835.65

Finding the Fourth Proportional to 219,176,648.61, 302,453,026.76 and 120,057,835.65

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Solution

The fourth proportional to 219,176,648.61, 302,453,026.76 and 120,057,835.65 is: 165,673,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,176,648.61 : 302,453,026.76 = 120,057,835.65 : x
  2. Step 2: Convert to fraction form
    219,176,648.61/302,453,026.76 = 120,057,835.65/x
  3. Step 3: Cross multiply
    219,176,648.61x = 302,453,026.76 × 120,057,835.65
  4. Step 4: Simplify right side
    219,176,648.61x = 36,311,855,777,996,848
  5. Step 5: Solve for x
    x = 36,311,855,777,996,848/219,176,648.61
  6. Step 6: Final answer
    x = 165,673,925.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.