Home / 247,237,778.11-370,574,566.95-99,590,861.81

Finding the Fourth Proportional to 247,237,778.11, 370,574,566.95 and 99,590,861.81

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Solution

The fourth proportional to 247,237,778.11, 370,574,566.95 and 99,590,861.81 is: 149,272,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,237,778.11 : 370,574,566.95 = 99,590,861.81 : x
  2. Step 2: Convert to fraction form
    247,237,778.11/370,574,566.95 = 99,590,861.81/x
  3. Step 3: Cross multiply
    247,237,778.11x = 370,574,566.95 × 99,590,861.81
  4. Step 4: Simplify right side
    247,237,778.11x = 36,905,840,486,633,464
  5. Step 5: Solve for x
    x = 36,905,840,486,633,464/247,237,778.11
  6. Step 6: Final answer
    x = 149,272,658.77

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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.