Home / 186,072,140.92-256,774,861.29-102,439,436.59

Finding the Fourth Proportional to 186,072,140.92, 256,774,861.29 and 102,439,436.59

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Solution

The fourth proportional to 186,072,140.92, 256,774,861.29 and 102,439,436.59 is: 141,363,838.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072,140.92 : 256,774,861.29 = 102,439,436.59 : x
  2. Step 2: Convert to fraction form
    186,072,140.92/256,774,861.29 = 102,439,436.59/x
  3. Step 3: Cross multiply
    186,072,140.92x = 256,774,861.29 × 102,439,436.59
  4. Step 4: Simplify right side
    186,072,140.92x = 26,303,872,121,023,000
  5. Step 5: Solve for x
    x = 26,303,872,121,023,000/186,072,140.92
  6. Step 6: Final answer
    x = 141,363,838.73

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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.