Home / 66,208,002.80-99,312,004.20-18,338,946.80

Finding the Fourth Proportional to 66,208,002.80, 99,312,004.20 and 18,338,946.80

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Solution

The fourth proportional to 66,208,002.80, 99,312,004.20 and 18,338,946.80 is: 27,508,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,208,002.80 : 99,312,004.20 = 18,338,946.80 : x
  2. Step 2: Convert to fraction form
    66,208,002.80/99,312,004.20 = 18,338,946.80/x
  3. Step 3: Cross multiply
    66,208,002.80x = 99,312,004.20 × 18,338,946.80
  4. Step 4: Simplify right side
    66,208,002.80x = 1,821,277,561,625,176.75
  5. Step 5: Solve for x
    x = 1,821,277,561,625,176.75/66,208,002.80
  6. Step 6: Final answer
    x = 27,508,420.20

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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.