Home / 74,367,091.80-111,550,637.70-66,076,612.20

Finding the Fourth Proportional to 74,367,091.80, 111,550,637.70 and 66,076,612.20

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Solution

The fourth proportional to 74,367,091.80, 111,550,637.70 and 66,076,612.20 is: 99,114,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,091.80 : 111,550,637.70 = 66,076,612.20 : x
  2. Step 2: Convert to fraction form
    74,367,091.80/111,550,637.70 = 66,076,612.20/x
  3. Step 3: Cross multiply
    74,367,091.80x = 111,550,637.70 × 66,076,612.20
  4. Step 4: Simplify right side
    74,367,091.80x = 7,370,888,227,965,600
  5. Step 5: Solve for x
    x = 7,370,888,227,965,600/74,367,091.80
  6. Step 6: Final answer
    x = 99,114,918.30

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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.