Home / 112,211,057.10-167,997,721.05-99,456,473.10

Finding the Fourth Proportional to 112,211,057.10, 167,997,721.05 and 99,456,473.10

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Solution

The fourth proportional to 112,211,057.10, 167,997,721.05 and 99,456,473.10 is: 148,902,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,057.10 : 167,997,721.05 = 99,456,473.10 : x
  2. Step 2: Convert to fraction form
    112,211,057.10/167,997,721.05 = 99,456,473.10/x
  3. Step 3: Cross multiply
    112,211,057.10x = 167,997,721.05 × 99,456,473.10
  4. Step 4: Simplify right side
    112,211,057.10x = 16,708,460,824,470,628
  5. Step 5: Solve for x
    x = 16,708,460,824,470,628/112,211,057.10
  6. Step 6: Final answer
    x = 148,902,089.12

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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.