Home / 285,164,884-393,517,356.60-161,402,903.92

Finding the Fourth Proportional to 285,164,884, 393,517,356.60 and 161,402,903.92

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Solution

The fourth proportional to 285,164,884, 393,517,356.60 and 161,402,903.92 is: 222,730,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,164,884 : 393,517,356.60 = 161,402,903.92 : x
  2. Step 2: Convert to fraction form
    285,164,884/393,517,356.60 = 161,402,903.92/x
  3. Step 3: Cross multiply
    285,164,884x = 393,517,356.60 × 161,402,903.92
  4. Step 4: Simplify right side
    285,164,884x = 63,514,844,098,162,176
  5. Step 5: Solve for x
    x = 63,514,844,098,162,176/285,164,884
  6. Step 6: Final answer
    x = 222,730,243.67

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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.