Home / 51,270,870.52-70,749,317.90-30,359,151.64

Finding the Fourth Proportional to 51,270,870.52, 70,749,317.90 and 30,359,151.64

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Solution

The fourth proportional to 51,270,870.52, 70,749,317.90 and 30,359,151.64 is: 41,892,974.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,270,870.52 : 70,749,317.90 = 30,359,151.64 : x
  2. Step 2: Convert to fraction form
    51,270,870.52/70,749,317.90 = 30,359,151.64/x
  3. Step 3: Cross multiply
    51,270,870.52x = 70,749,317.90 × 30,359,151.64
  4. Step 4: Simplify right side
    51,270,870.52x = 2,147,889,270,552,666.50
  5. Step 5: Solve for x
    x = 2,147,889,270,552,666.50/51,270,870.52
  6. Step 6: Final answer
    x = 41,892,974.49

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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.