Home / 73,118,721.07-109,655,997.76-21,987,166.51

Finding the Fourth Proportional to 73,118,721.07, 109,655,997.76 and 21,987,166.51

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Solution

The fourth proportional to 73,118,721.07, 109,655,997.76 and 21,987,166.51 is: 32,974,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118,721.07 : 109,655,997.76 = 21,987,166.51 : x
  2. Step 2: Convert to fraction form
    73,118,721.07/109,655,997.76 = 21,987,166.51/x
  3. Step 3: Cross multiply
    73,118,721.07x = 109,655,997.76 × 21,987,166.51
  4. Step 4: Simplify right side
    73,118,721.07x = 2,411,024,680,911,091
  5. Step 5: Solve for x
    x = 2,411,024,680,911,091/73,118,721.07
  6. Step 6: Final answer
    x = 32,974,109.04

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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.