Home / 188,867,631.71-260,638,365.65-109,529,732.74

Finding the Fourth Proportional to 188,867,631.71, 260,638,365.65 and 109,529,732.74

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Solution

The fourth proportional to 188,867,631.71, 260,638,365.65 and 109,529,732.74 is: 151,151,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,867,631.71 : 260,638,365.65 = 109,529,732.74 : x
  2. Step 2: Convert to fraction form
    188,867,631.71/260,638,365.65 = 109,529,732.74/x
  3. Step 3: Cross multiply
    188,867,631.71x = 260,638,365.65 × 109,529,732.74
  4. Step 4: Simplify right side
    188,867,631.71x = 28,547,650,531,338,604
  5. Step 5: Solve for x
    x = 28,547,650,531,338,604/188,867,631.71
  6. Step 6: Final answer
    x = 151,151,630.77

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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.