Home / 114,782,136.21-172,210,384.53-68,716,801.17

Finding the Fourth Proportional to 114,782,136.21, 172,210,384.53 and 68,716,801.17

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Solution

The fourth proportional to 114,782,136.21, 172,210,384.53 and 68,716,801.17 is: 103,097,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,782,136.21 : 172,210,384.53 = 68,716,801.17 : x
  2. Step 2: Convert to fraction form
    114,782,136.21/172,210,384.53 = 68,716,801.17/x
  3. Step 3: Cross multiply
    114,782,136.21x = 172,210,384.53 × 68,716,801.17
  4. Step 4: Simplify right side
    114,782,136.21x = 11,833,746,753,157,254
  5. Step 5: Solve for x
    x = 11,833,746,753,157,254/114,782,136.21
  6. Step 6: Final answer
    x = 103,097,460.49

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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.