Home / 290,449,631.04-400,834,701.48-163,330,317.08

Finding the Fourth Proportional to 290,449,631.04, 400,834,701.48 and 163,330,317.08

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Solution

The fourth proportional to 290,449,631.04, 400,834,701.48 and 163,330,317.08 is: 225,403,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,449,631.04 : 400,834,701.48 = 163,330,317.08 : x
  2. Step 2: Convert to fraction form
    290,449,631.04/400,834,701.48 = 163,330,317.08/x
  3. Step 3: Cross multiply
    290,449,631.04x = 400,834,701.48 × 163,330,317.08
  4. Step 4: Simplify right side
    290,449,631.04x = 65,468,458,889,395,552
  5. Step 5: Solve for x
    x = 65,468,458,889,395,552/290,449,631.04
  6. Step 6: Final answer
    x = 225,403,828.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.