Home / 186,190,866.59-256,933,899.72-102,557,196.81

Finding the Fourth Proportional to 186,190,866.59, 256,933,899.72 and 102,557,196.81

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Solution

The fourth proportional to 186,190,866.59, 256,933,899.72 and 102,557,196.81 is: 141,523,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,190,866.59 : 256,933,899.72 = 102,557,196.81 : x
  2. Step 2: Convert to fraction form
    186,190,866.59/256,933,899.72 = 102,557,196.81/x
  3. Step 3: Cross multiply
    186,190,866.59x = 256,933,899.72 × 102,557,196.81
  4. Step 4: Simplify right side
    186,190,866.59x = 26,350,420,520,744,844
  5. Step 5: Solve for x
    x = 26,350,420,520,744,844/186,190,866.59
  6. Step 6: Final answer
    x = 141,523,700.94

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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.