Home / 103,793,090.05-155,689,635.08-65,572,494.85

Finding the Fourth Proportional to 103,793,090.05, 155,689,635.08 and 65,572,494.85

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Solution

The fourth proportional to 103,793,090.05, 155,689,635.08 and 65,572,494.85 is: 98,358,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793,090.05 : 155,689,635.08 = 65,572,494.85 : x
  2. Step 2: Convert to fraction form
    103,793,090.05/155,689,635.08 = 65,572,494.85/x
  3. Step 3: Cross multiply
    103,793,090.05x = 155,689,635.08 × 65,572,494.85
  4. Step 4: Simplify right side
    103,793,090.05x = 10,208,957,794,153,816
  5. Step 5: Solve for x
    x = 10,208,957,794,153,816/103,793,090.05
  6. Step 6: Final answer
    x = 98,358,742.28

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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.