Home / 287,301,791.34-431,013,211.80-93,198,050.46

Finding the Fourth Proportional to 287,301,791.34, 431,013,211.80 and 93,198,050.46

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Solution

The fourth proportional to 287,301,791.34, 431,013,211.80 and 93,198,050.46 is: 139,816,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,301,791.34 : 431,013,211.80 = 93,198,050.46 : x
  2. Step 2: Convert to fraction form
    287,301,791.34/431,013,211.80 = 93,198,050.46/x
  3. Step 3: Cross multiply
    287,301,791.34x = 431,013,211.80 × 93,198,050.46
  4. Step 4: Simplify right side
    287,301,791.34x = 40,169,591,062,263,064
  5. Step 5: Solve for x
    x = 40,169,591,062,263,064/287,301,791.34
  6. Step 6: Final answer
    x = 139,816,709.37

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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.