Home / 76,173,382.29-105,151,446.45-51,427,088.15

Finding the Fourth Proportional to 76,173,382.29, 105,151,446.45 and 51,427,088.15

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Solution

The fourth proportional to 76,173,382.29, 105,151,446.45 and 51,427,088.15 is: 70,991,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173,382.29 : 105,151,446.45 = 51,427,088.15 : x
  2. Step 2: Convert to fraction form
    76,173,382.29/105,151,446.45 = 51,427,088.15/x
  3. Step 3: Cross multiply
    76,173,382.29x = 105,151,446.45 × 51,427,088.15
  4. Step 4: Simplify right side
    76,173,382.29x = 5,407,632,705,947,034
  5. Step 5: Solve for x
    x = 5,407,632,705,947,034/76,173,382.29
  6. Step 6: Final answer
    x = 70,991,106.65

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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.