Home / 115,991,821.17-160,064,410.37-63,777,750.21

Finding the Fourth Proportional to 115,991,821.17, 160,064,410.37 and 63,777,750.21

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Solution

The fourth proportional to 115,991,821.17, 160,064,410.37 and 63,777,750.21 is: 88,010,929.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,991,821.17 : 160,064,410.37 = 63,777,750.21 : x
  2. Step 2: Convert to fraction form
    115,991,821.17/160,064,410.37 = 63,777,750.21/x
  3. Step 3: Cross multiply
    115,991,821.17x = 160,064,410.37 × 63,777,750.21
  4. Step 4: Simplify right side
    115,991,821.17x = 10,208,547,981,769,906
  5. Step 5: Solve for x
    x = 10,208,547,981,769,906/115,991,821.17
  6. Step 6: Final answer
    x = 88,010,929.38

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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.