Home / 212,709,611.99-293,538,684.38-118,623,861.11

Finding the Fourth Proportional to 212,709,611.99, 293,538,684.38 and 118,623,861.11

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Solution

The fourth proportional to 212,709,611.99, 293,538,684.38 and 118,623,861.11 is: 163,700,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,709,611.99 : 293,538,684.38 = 118,623,861.11 : x
  2. Step 2: Convert to fraction form
    212,709,611.99/293,538,684.38 = 118,623,861.11/x
  3. Step 3: Cross multiply
    212,709,611.99x = 293,538,684.38 × 118,623,861.11
  4. Step 4: Simplify right side
    212,709,611.99x = 34,820,692,126,445,972
  5. Step 5: Solve for x
    x = 34,820,692,126,445,972/212,709,611.99
  6. Step 6: Final answer
    x = 163,700,604.78

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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.