Home / 361,114,976.75-540,894,183.91-243,885,701.67

Finding the Fourth Proportional to 361,114,976.75, 540,894,183.91 and 243,885,701.67

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Solution

The fourth proportional to 361,114,976.75, 540,894,183.91 and 243,885,701.67 is: 365,302,925.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,114,976.75 : 540,894,183.91 = 243,885,701.67 : x
  2. Step 2: Convert to fraction form
    361,114,976.75/540,894,183.91 = 243,885,701.67/x
  3. Step 3: Cross multiply
    361,114,976.75x = 540,894,183.91 × 243,885,701.67
  4. Step 4: Simplify right side
    361,114,976.75x = 131,916,357,572,112,352
  5. Step 5: Solve for x
    x = 131,916,357,572,112,352/361,114,976.75
  6. Step 6: Final answer
    x = 365,302,925.84

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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.