Home / 66,514,998.35-99,697,847.93-28,169,987.15

Finding the Fourth Proportional to 66,514,998.35, 99,697,847.93 and 28,169,987.15

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Solution

The fourth proportional to 66,514,998.35, 99,697,847.93 and 28,169,987.15 is: 42,223,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514,998.35 : 99,697,847.93 = 28,169,987.15 : x
  2. Step 2: Convert to fraction form
    66,514,998.35/99,697,847.93 = 28,169,987.15/x
  3. Step 3: Cross multiply
    66,514,998.35x = 99,697,847.93 × 28,169,987.15
  4. Step 4: Simplify right side
    66,514,998.35x = 2,808,487,094,929,904
  5. Step 5: Solve for x
    x = 2,808,487,094,929,904/66,514,998.35
  6. Step 6: Final answer
    x = 42,223,365.63

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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.