Home / 144,126,085.71-216,144,415.11-51,997,847.30

Finding the Fourth Proportional to 144,126,085.71, 216,144,415.11 and 51,997,847.30

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Solution

The fourth proportional to 144,126,085.71, 216,144,415.11 and 51,997,847.30 is: 77,980,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,085.71 : 216,144,415.11 = 51,997,847.30 : x
  2. Step 2: Convert to fraction form
    144,126,085.71/216,144,415.11 = 51,997,847.30/x
  3. Step 3: Cross multiply
    144,126,085.71x = 216,144,415.11 × 51,997,847.30
  4. Step 4: Simplify right side
    144,126,085.71x = 11,239,044,290,556,872
  5. Step 5: Solve for x
    x = 11,239,044,290,556,872/144,126,085.71
  6. Step 6: Final answer
    x = 77,980,639.21

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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.