Home / 289,630,898.20-434,950,232.10-153,582,002.20

Finding the Fourth Proportional to 289,630,898.20, 434,950,232.10 and 153,582,002.20

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Solution

The fourth proportional to 289,630,898.20, 434,950,232.10 and 153,582,002.20 is: 230,640,197.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,630,898.20 : 434,950,232.10 = 153,582,002.20 : x
  2. Step 2: Convert to fraction form
    289,630,898.20/434,950,232.10 = 153,582,002.20/x
  3. Step 3: Cross multiply
    289,630,898.20x = 434,950,232.10 × 153,582,002.20
  4. Step 4: Simplify right side
    289,630,898.20x = 66,800,527,503,272,712
  5. Step 5: Solve for x
    x = 66,800,527,503,272,712/289,630,898.20
  6. Step 6: Final answer
    x = 230,640,197.29

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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.