Home / 290,435,923.20-435,643,387.20-117,907,867.20

Finding the Fourth Proportional to 290,435,923.20, 435,643,387.20 and 117,907,867.20

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Solution

The fourth proportional to 290,435,923.20, 435,643,387.20 and 117,907,867.20 is: 176,857,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,435,923.20 : 435,643,387.20 = 117,907,867.20 : x
  2. Step 2: Convert to fraction form
    290,435,923.20/435,643,387.20 = 117,907,867.20/x
  3. Step 3: Cross multiply
    290,435,923.20x = 435,643,387.20 × 117,907,867.20
  4. Step 4: Simplify right side
    290,435,923.20x = 51,365,782,644,535,776
  5. Step 5: Solve for x
    x = 51,365,782,644,535,776/290,435,923.20
  6. Step 6: Final answer
    x = 176,857,539.10

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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.