Home / 139,927,600.55-193,162,015.70-90,392,132.49

Finding the Fourth Proportional to 139,927,600.55, 193,162,015.70 and 90,392,132.49

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Solution

The fourth proportional to 139,927,600.55, 193,162,015.70 and 90,392,132.49 is: 124,781,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,927,600.55 : 193,162,015.70 = 90,392,132.49 : x
  2. Step 2: Convert to fraction form
    139,927,600.55/193,162,015.70 = 90,392,132.49/x
  3. Step 3: Cross multiply
    139,927,600.55x = 193,162,015.70 × 90,392,132.49
  4. Step 4: Simplify right side
    139,927,600.55x = 17,460,326,514,737,898
  5. Step 5: Solve for x
    x = 17,460,326,514,737,898/139,927,600.55
  6. Step 6: Final answer
    x = 124,781,147.16

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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.