Home / 52,911,309.78-79,336,074.65-20,525,369.04

Finding the Fourth Proportional to 52,911,309.78, 79,336,074.65 and 20,525,369.04

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Solution

The fourth proportional to 52,911,309.78, 79,336,074.65 and 20,525,369.04 is: 30,776,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,911,309.78 : 79,336,074.65 = 20,525,369.04 : x
  2. Step 2: Convert to fraction form
    52,911,309.78/79,336,074.65 = 20,525,369.04/x
  3. Step 3: Cross multiply
    52,911,309.78x = 79,336,074.65 × 20,525,369.04
  4. Step 4: Simplify right side
    52,911,309.78x = 1,628,402,210,273,611.75
  5. Step 5: Solve for x
    x = 1,628,402,210,273,611.75/52,911,309.78
  6. Step 6: Final answer
    x = 30,776,070.69

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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.