Home / 139,374,008.16-192,326,131.08-76,654,456.44

Finding the Fourth Proportional to 139,374,008.16, 192,326,131.08 and 76,654,456.44

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Solution

The fourth proportional to 139,374,008.16, 192,326,131.08 and 76,654,456.44 is: 105,777,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,374,008.16 : 192,326,131.08 = 76,654,456.44 : x
  2. Step 2: Convert to fraction form
    139,374,008.16/192,326,131.08 = 76,654,456.44/x
  3. Step 3: Cross multiply
    139,374,008.16x = 192,326,131.08 × 76,654,456.44
  4. Step 4: Simplify right side
    139,374,008.16x = 14,742,655,037,145,590
  5. Step 5: Solve for x
    x = 14,742,655,037,145,590/139,374,008.16
  6. Step 6: Final answer
    x = 105,777,649.88

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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.