Home / 108,903,721.80-163,355,582.70-51,508,093.80

Finding the Fourth Proportional to 108,903,721.80, 163,355,582.70 and 51,508,093.80

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Solution

The fourth proportional to 108,903,721.80, 163,355,582.70 and 51,508,093.80 is: 77,262,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,903,721.80 : 163,355,582.70 = 51,508,093.80 : x
  2. Step 2: Convert to fraction form
    108,903,721.80/163,355,582.70 = 51,508,093.80/x
  3. Step 3: Cross multiply
    108,903,721.80x = 163,355,582.70 × 51,508,093.80
  4. Step 4: Simplify right side
    108,903,721.80x = 8,414,134,676,465,256
  5. Step 5: Solve for x
    x = 8,414,134,676,465,256/108,903,721.80
  6. Step 6: Final answer
    x = 77,262,140.70

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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.