Home / 290,015,087.40-435,022,631.10-175,353,301.80

Finding the Fourth Proportional to 290,015,087.40, 435,022,631.10 and 175,353,301.80

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Solution

The fourth proportional to 290,015,087.40, 435,022,631.10 and 175,353,301.80 is: 263,029,952.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,015,087.40 : 435,022,631.10 = 175,353,301.80 : x
  2. Step 2: Convert to fraction form
    290,015,087.40/435,022,631.10 = 175,353,301.80/x
  3. Step 3: Cross multiply
    290,015,087.40x = 435,022,631.10 × 175,353,301.80
  4. Step 4: Simplify right side
    290,015,087.40x = 76,282,654,721,108,368
  5. Step 5: Solve for x
    x = 76,282,654,721,108,368/290,015,087.40
  6. Step 6: Final answer
    x = 263,029,952.70

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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.