Home / 139,538,514-192,563,149.32-77,673,467.19

Finding the Fourth Proportional to 139,538,514, 192,563,149.32 and 77,673,467.19

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Solution

The fourth proportional to 139,538,514, 192,563,149.32 and 77,673,467.19 is: 107,189,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,538,514 : 192,563,149.32 = 77,673,467.19 : x
  2. Step 2: Convert to fraction form
    139,538,514/192,563,149.32 = 77,673,467.19/x
  3. Step 3: Cross multiply
    139,538,514x = 192,563,149.32 × 77,673,467.19
  4. Step 4: Simplify right side
    139,538,514x = 14,957,047,460,710,090
  5. Step 5: Solve for x
    x = 14,957,047,460,710,090/139,538,514
  6. Step 6: Final answer
    x = 107,189,384.72

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1.5x scale

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.