Home / 289,047,927.05-433,502,468.52-133,452,238.43

Finding the Fourth Proportional to 289,047,927.05, 433,502,468.52 and 133,452,238.43

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Solution

The fourth proportional to 289,047,927.05, 433,502,468.52 and 133,452,238.43 is: 200,146,305.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,047,927.05 : 433,502,468.52 = 133,452,238.43 : x
  2. Step 2: Convert to fraction form
    289,047,927.05/433,502,468.52 = 133,452,238.43/x
  3. Step 3: Cross multiply
    289,047,927.05x = 433,502,468.52 × 133,452,238.43
  4. Step 4: Simplify right side
    289,047,927.05x = 57,851,874,788,924,608
  5. Step 5: Solve for x
    x = 57,851,874,788,924,608/289,047,927.05
  6. Step 6: Final answer
    x = 200,146,305.77

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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.