Home / 157,110,367.80-216,796,773.42-87,502,225.08

Finding the Fourth Proportional to 157,110,367.80, 216,796,773.42 and 87,502,225.08

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Solution

The fourth proportional to 157,110,367.80, 216,796,773.42 and 87,502,225.08 is: 120,744,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,110,367.80 : 216,796,773.42 = 87,502,225.08 : x
  2. Step 2: Convert to fraction form
    157,110,367.80/216,796,773.42 = 87,502,225.08/x
  3. Step 3: Cross multiply
    157,110,367.80x = 216,796,773.42 × 87,502,225.08
  4. Step 4: Simplify right side
    157,110,367.80x = 18,970,200,064,414,600
  5. Step 5: Solve for x
    x = 18,970,200,064,414,600/157,110,367.80
  6. Step 6: Final answer
    x = 120,744,418.91

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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.