Home / 66,514,998.10-99,697,847.55-28,169,986.90

Finding the Fourth Proportional to 66,514,998.10, 99,697,847.55 and 28,169,986.90

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Solution

The fourth proportional to 66,514,998.10, 99,697,847.55 and 28,169,986.90 is: 42,223,365.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514,998.10 : 99,697,847.55 = 28,169,986.90 : x
  2. Step 2: Convert to fraction form
    66,514,998.10/99,697,847.55 = 28,169,986.90/x
  3. Step 3: Cross multiply
    66,514,998.10x = 99,697,847.55 × 28,169,986.90
  4. Step 4: Simplify right side
    66,514,998.10x = 2,808,487,059,441,697
  5. Step 5: Solve for x
    x = 2,808,487,059,441,697/66,514,998.10
  6. Step 6: Final answer
    x = 42,223,365.25

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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.