Home / 361,114,970.74-540,894,174.91-243,885,695.66

Finding the Fourth Proportional to 361,114,970.74, 540,894,174.91 and 243,885,695.66

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Solution

The fourth proportional to 361,114,970.74, 540,894,174.91 and 243,885,695.66 is: 365,302,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,114,970.74 : 540,894,174.91 = 243,885,695.66 : x
  2. Step 2: Convert to fraction form
    361,114,970.74/540,894,174.91 = 243,885,695.66/x
  3. Step 3: Cross multiply
    361,114,970.74x = 540,894,174.91 × 243,885,695.66
  4. Step 4: Simplify right side
    361,114,970.74x = 131,916,352,129,497,120
  5. Step 5: Solve for x
    x = 131,916,352,129,497,120/361,114,970.74
  6. Step 6: Final answer
    x = 365,302,916.85

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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.