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Finding the Fourth Proportional to 169,782,401.40, 254,673,602.10 and 60,659,849.40

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Solution

The fourth proportional to 169,782,401.40, 254,673,602.10 and 60,659,849.40 is: 90,989,774.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,782,401.40 : 254,673,602.10 = 60,659,849.40 : x
  2. Step 2: Convert to fraction form
    169,782,401.40/254,673,602.10 = 60,659,849.40/x
  3. Step 3: Cross multiply
    169,782,401.40x = 254,673,602.10 × 60,659,849.40
  4. Step 4: Simplify right side
    169,782,401.40x = 15,448,462,349,541,522
  5. Step 5: Solve for x
    x = 15,448,462,349,541,522/169,782,401.40
  6. Step 6: Final answer
    x = 90,989,774.10

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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.