Home / 212,880,047.94-293,774,477.21-117,510,581.92

Finding the Fourth Proportional to 212,880,047.94, 293,774,477.21 and 117,510,581.92

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Solution

The fourth proportional to 212,880,047.94, 293,774,477.21 and 117,510,581.92 is: 162,164,609.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,880,047.94 : 293,774,477.21 = 117,510,581.92 : x
  2. Step 2: Convert to fraction form
    212,880,047.94/293,774,477.21 = 117,510,581.92/x
  3. Step 3: Cross multiply
    212,880,047.94x = 293,774,477.21 × 117,510,581.92
  4. Step 4: Simplify right side
    212,880,047.94x = 34,521,609,770,190,876
  5. Step 5: Solve for x
    x = 34,521,609,770,190,876/212,880,047.94
  6. Step 6: Final answer
    x = 162,164,609.15

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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.