Home / 112,072,856.90-168,109,285.35-99,601,708.10

Finding the Fourth Proportional to 112,072,856.90, 168,109,285.35 and 99,601,708.10

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Solution

The fourth proportional to 112,072,856.90, 168,109,285.35 and 99,601,708.10 is: 149,402,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072,856.90 : 168,109,285.35 = 99,601,708.10 : x
  2. Step 2: Convert to fraction form
    112,072,856.90/168,109,285.35 = 99,601,708.10/x
  3. Step 3: Cross multiply
    112,072,856.90x = 168,109,285.35 × 99,601,708.10
  4. Step 4: Simplify right side
    112,072,856.90x = 16,743,971,968,330,304
  5. Step 5: Solve for x
    x = 16,743,971,968,330,304/112,072,856.90
  6. Step 6: Final answer
    x = 149,402,562.15

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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.