Home / 61,861,100.80-92,768,031.60-18,715,964.80

Finding the Fourth Proportional to 61,861,100.80, 92,768,031.60 and 18,715,964.80

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Solution

The fourth proportional to 61,861,100.80, 92,768,031.60 and 18,715,964.80 is: 28,066,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861,100.80 : 92,768,031.60 = 18,715,964.80 : x
  2. Step 2: Convert to fraction form
    61,861,100.80/92,768,031.60 = 18,715,964.80/x
  3. Step 3: Cross multiply
    61,861,100.80x = 92,768,031.60 × 18,715,964.80
  4. Step 4: Simplify right side
    61,861,100.80x = 1,736,243,213,990,887.75
  5. Step 5: Solve for x
    x = 1,736,243,213,990,887.75/61,861,100.80
  6. Step 6: Final answer
    x = 28,066,801.13

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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.