Home / 290,132,925.60-434,821,474.80-117,468,400.80

Finding the Fourth Proportional to 290,132,925.60, 434,821,474.80 and 117,468,400.80

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Solution

The fourth proportional to 290,132,925.60, 434,821,474.80 and 117,468,400.80 is: 176,049,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,132,925.60 : 434,821,474.80 = 117,468,400.80 : x
  2. Step 2: Convert to fraction form
    290,132,925.60/434,821,474.80 = 117,468,400.80/x
  3. Step 3: Cross multiply
    290,132,925.60x = 434,821,474.80 × 117,468,400.80
  4. Step 4: Simplify right side
    290,132,925.60x = 51,077,783,278,253,496
  5. Step 5: Solve for x
    x = 51,077,783,278,253,496/290,132,925.60
  6. Step 6: Final answer
    x = 176,049,592.35

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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.