Home / 260,312,164.08-390,262,796.80-129,063,945.44

Finding the Fourth Proportional to 260,312,164.08, 390,262,796.80 and 129,063,945.44

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Solution

The fourth proportional to 260,312,164.08, 390,262,796.80 and 129,063,945.44 is: 193,494,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,312,164.08 : 390,262,796.80 = 129,063,945.44 : x
  2. Step 2: Convert to fraction form
    260,312,164.08/390,262,796.80 = 129,063,945.44/x
  3. Step 3: Cross multiply
    260,312,164.08x = 390,262,796.80 × 129,063,945.44
  4. Step 4: Simplify right side
    260,312,164.08x = 50,368,856,313,457,008
  5. Step 5: Solve for x
    x = 50,368,856,313,457,008/260,312,164.08
  6. Step 6: Final answer
    x = 193,494,055.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.