Home / 74,367,167.80-111,550,751.70-66,076,688.20

Finding the Fourth Proportional to 74,367,167.80, 111,550,751.70 and 66,076,688.20

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Solution

The fourth proportional to 74,367,167.80, 111,550,751.70 and 66,076,688.20 is: 99,115,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367,167.80 : 111,550,751.70 = 66,076,688.20 : x
  2. Step 2: Convert to fraction form
    74,367,167.80/111,550,751.70 = 66,076,688.20/x
  3. Step 3: Cross multiply
    74,367,167.80x = 111,550,751.70 × 66,076,688.20
  4. Step 4: Simplify right side
    74,367,167.80x = 7,370,904,238,556,520
  5. Step 5: Solve for x
    x = 7,370,904,238,556,520/74,367,167.80
  6. Step 6: Final answer
    x = 99,115,032.30

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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.