Home / 138,827,612.16-208,199,492.64-41,757,551.28

Finding the Fourth Proportional to 138,827,612.16, 208,199,492.64 and 41,757,551.28

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Solution

The fourth proportional to 138,827,612.16, 208,199,492.64 and 41,757,551.28 is: 62,623,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,827,612.16 : 208,199,492.64 = 41,757,551.28 : x
  2. Step 2: Convert to fraction form
    138,827,612.16/208,199,492.64 = 41,757,551.28/x
  3. Step 3: Cross multiply
    138,827,612.16x = 208,199,492.64 × 41,757,551.28
  4. Step 4: Simplify right side
    138,827,612.16x = 8,693,900,990,384,782
  5. Step 5: Solve for x
    x = 8,693,900,990,384,782/138,827,612.16
  6. Step 6: Final answer
    x = 62,623,716.24

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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.