Home / 290,175,017.20-434,695,655.40-174,816,890.80

Finding the Fourth Proportional to 290,175,017.20, 434,695,655.40 and 174,816,890.80

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Solution

The fourth proportional to 290,175,017.20, 434,695,655.40 and 174,816,890.80 is: 261,883,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,175,017.20 : 434,695,655.40 = 174,816,890.80 : x
  2. Step 2: Convert to fraction form
    290,175,017.20/434,695,655.40 = 174,816,890.80/x
  3. Step 3: Cross multiply
    290,175,017.20x = 434,695,655.40 × 174,816,890.80
  4. Step 4: Simplify right side
    290,175,017.20x = 75,992,142,921,296,224
  5. Step 5: Solve for x
    x = 75,992,142,921,296,224/290,175,017.20
  6. Step 6: Final answer
    x = 261,883,823.27

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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.