Home / 290,442,249.60-435,755,471.52-103,692,186

Finding the Fourth Proportional to 290,442,249.60, 435,755,471.52 and 103,692,186

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Solution

The fourth proportional to 290,442,249.60, 435,755,471.52 and 103,692,186 is: 155,571,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,442,249.60 : 435,755,471.52 = 103,692,186 : x
  2. Step 2: Convert to fraction form
    290,442,249.60/435,755,471.52 = 103,692,186/x
  3. Step 3: Cross multiply
    290,442,249.60x = 435,755,471.52 × 103,692,186
  4. Step 4: Simplify right side
    290,442,249.60x = 45,184,437,403,369,544
  5. Step 5: Solve for x
    x = 45,184,437,403,369,544/290,442,249.60
  6. Step 6: Final answer
    x = 155,571,159.04

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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.