Home / 114,782,144.22-172,210,396.54-68,716,809.18

Finding the Fourth Proportional to 114,782,144.22, 172,210,396.54 and 68,716,809.18

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Solution

The fourth proportional to 114,782,144.22, 172,210,396.54 and 68,716,809.18 is: 103,097,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782,144.22 : 172,210,396.54 = 68,716,809.18 : x
  2. Step 2: Convert to fraction form
    114,782,144.22/172,210,396.54 = 68,716,809.18/x
  3. Step 3: Cross multiply
    114,782,144.22x = 172,210,396.54 × 68,716,809.18
  4. Step 4: Simplify right side
    114,782,144.22x = 11,833,748,957,851,312
  5. Step 5: Solve for x
    x = 11,833,748,957,851,312/114,782,144.22
  6. Step 6: Final answer
    x = 103,097,472.51

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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.