Home / 100,926,181.50-139,278,186.44-54,516,435.68

Finding the Fourth Proportional to 100,926,181.50, 139,278,186.44 and 54,516,435.68

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Solution

The fourth proportional to 100,926,181.50, 139,278,186.44 and 54,516,435.68 is: 75,232,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,181.50 : 139,278,186.44 = 54,516,435.68 : x
  2. Step 2: Convert to fraction form
    100,926,181.50/139,278,186.44 = 54,516,435.68/x
  3. Step 3: Cross multiply
    100,926,181.50x = 139,278,186.44 × 54,516,435.68
  4. Step 4: Simplify right side
    100,926,181.50x = 7,592,950,291,714,335
  5. Step 5: Solve for x
    x = 7,592,950,291,714,335/100,926,181.50
  6. Step 6: Final answer
    x = 75,232,711.46

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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.