Home / 260,684,646.24-391,077,322.80-99,114,019.68

Finding the Fourth Proportional to 260,684,646.24, 391,077,322.80 and 99,114,019.68

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Solution

The fourth proportional to 260,684,646.24, 391,077,322.80 and 99,114,019.68 is: 148,690,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684,646.24 : 391,077,322.80 = 99,114,019.68 : x
  2. Step 2: Convert to fraction form
    260,684,646.24/391,077,322.80 = 99,114,019.68/x
  3. Step 3: Cross multiply
    260,684,646.24x = 391,077,322.80 × 99,114,019.68
  4. Step 4: Simplify right side
    260,684,646.24x = 38,761,245,468,400,920
  5. Step 5: Solve for x
    x = 38,761,245,468,400,920/260,684,646.24
  6. Step 6: Final answer
    x = 148,690,174.23

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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.