Home / 100,521,136.69-138,725,094.08-75,697,527.58

Finding the Fourth Proportional to 100,521,136.69, 138,725,094.08 and 75,697,527.58

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Solution

The fourth proportional to 100,521,136.69, 138,725,094.08 and 75,697,527.58 is: 104,467,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,521,136.69 : 138,725,094.08 = 75,697,527.58 : x
  2. Step 2: Convert to fraction form
    100,521,136.69/138,725,094.08 = 75,697,527.58/x
  3. Step 3: Cross multiply
    100,521,136.69x = 138,725,094.08 × 75,697,527.58
  4. Step 4: Simplify right side
    100,521,136.69x = 10,501,146,635,001,326
  5. Step 5: Solve for x
    x = 10,501,146,635,001,326/100,521,136.69
  6. Step 6: Final answer
    x = 104,467,050.22

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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.