Home / 252,395,053.05-377,816,779.60-215,160,677.40

Finding the Fourth Proportional to 252,395,053.05, 377,816,779.60 and 215,160,677.40

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Solution

The fourth proportional to 252,395,053.05, 377,816,779.60 and 215,160,677.40 is: 322,079,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,395,053.05 : 377,816,779.60 = 215,160,677.40 : x
  2. Step 2: Convert to fraction form
    252,395,053.05/377,816,779.60 = 215,160,677.40/x
  3. Step 3: Cross multiply
    252,395,053.05x = 377,816,779.60 × 215,160,677.40
  4. Step 4: Simplify right side
    252,395,053.05x = 81,291,314,231,284,608
  5. Step 5: Solve for x
    x = 81,291,314,231,284,608/252,395,053.05
  6. Step 6: Final answer
    x = 322,079,665.39

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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.