Home / 66,051,008.80-99,076,513.20-38,770,370.80

Finding the Fourth Proportional to 66,051,008.80, 99,076,513.20 and 38,770,370.80

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Solution

The fourth proportional to 66,051,008.80, 99,076,513.20 and 38,770,370.80 is: 58,155,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,051,008.80 : 99,076,513.20 = 38,770,370.80 : x
  2. Step 2: Convert to fraction form
    66,051,008.80/99,076,513.20 = 38,770,370.80/x
  3. Step 3: Cross multiply
    66,051,008.80x = 99,076,513.20 × 38,770,370.80
  4. Step 4: Simplify right side
    66,051,008.80x = 3,841,233,154,335,094.50
  5. Step 5: Solve for x
    x = 3,841,233,154,335,094.50/66,051,008.80
  6. Step 6: Final answer
    x = 58,155,556.20

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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.