Home / 156,039,741.97-215,338,323.42-89,057,356.59

Finding the Fourth Proportional to 156,039,741.97, 215,338,323.42 and 89,057,356.59

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Solution

The fourth proportional to 156,039,741.97, 215,338,323.42 and 89,057,356.59 is: 122,901,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039,741.97 : 215,338,323.42 = 89,057,356.59 : x
  2. Step 2: Convert to fraction form
    156,039,741.97/215,338,323.42 = 89,057,356.59/x
  3. Step 3: Cross multiply
    156,039,741.97x = 215,338,323.42 × 89,057,356.59
  4. Step 4: Simplify right side
    156,039,741.97x = 19,177,461,856,307,688
  5. Step 5: Solve for x
    x = 19,177,461,856,307,688/156,039,741.97
  6. Step 6: Final answer
    x = 122,901,137.97

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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.