Home / 211,055,715.30-291,256,914.75-116,975,936.10

Finding the Fourth Proportional to 211,055,715.30, 291,256,914.75 and 116,975,936.10

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Solution

The fourth proportional to 211,055,715.30, 291,256,914.75 and 116,975,936.10 is: 161,426,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,715.30 : 291,256,914.75 = 116,975,936.10 : x
  2. Step 2: Convert to fraction form
    211,055,715.30/291,256,914.75 = 116,975,936.10/x
  3. Step 3: Cross multiply
    211,055,715.30x = 291,256,914.75 × 116,975,936.10
  4. Step 4: Simplify right side
    211,055,715.30x = 34,070,050,248,479,144
  5. Step 5: Solve for x
    x = 34,070,050,248,479,144/211,055,715.30
  6. Step 6: Final answer
    x = 161,426,807.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.