Home / 146,426,650.53-202,054,060.09-87,687,805.40

Finding the Fourth Proportional to 146,426,650.53, 202,054,060.09 and 87,687,805.40

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Solution

The fourth proportional to 146,426,650.53, 202,054,060.09 and 87,687,805.40 is: 121,000,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,426,650.53 : 202,054,060.09 = 87,687,805.40 : x
  2. Step 2: Convert to fraction form
    146,426,650.53/202,054,060.09 = 87,687,805.40/x
  3. Step 3: Cross multiply
    146,426,650.53x = 202,054,060.09 × 87,687,805.40
  4. Step 4: Simplify right side
    146,426,650.53x = 17,717,677,101,556,148
  5. Step 5: Solve for x
    x = 17,717,677,101,556,148/146,426,650.53
  6. Step 6: Final answer
    x = 121,000,357.78

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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.