Home / 88,317,871.70-121,875,949.86-49,158,641.61

Finding the Fourth Proportional to 88,317,871.70, 121,875,949.86 and 49,158,641.61

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Solution

The fourth proportional to 88,317,871.70, 121,875,949.86 and 49,158,641.61 is: 67,837,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,317,871.70 : 121,875,949.86 = 49,158,641.61 : x
  2. Step 2: Convert to fraction form
    88,317,871.70/121,875,949.86 = 49,158,641.61/x
  3. Step 3: Cross multiply
    88,317,871.70x = 121,875,949.86 × 49,158,641.61
  4. Step 4: Simplify right side
    88,317,871.70x = 5,991,256,139,861,725
  5. Step 5: Solve for x
    x = 5,991,256,139,861,725/88,317,871.70
  6. Step 6: Final answer
    x = 67,837,415.29

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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.