Home / 89,688,077.85-123,769,546.47-48,434,970.23

Finding the Fourth Proportional to 89,688,077.85, 123,769,546.47 and 48,434,970.23

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Solution

The fourth proportional to 89,688,077.85, 123,769,546.47 and 48,434,970.23 is: 66,840,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688,077.85 : 123,769,546.47 = 48,434,970.23 : x
  2. Step 2: Convert to fraction form
    89,688,077.85/123,769,546.47 = 48,434,970.23/x
  3. Step 3: Cross multiply
    89,688,077.85x = 123,769,546.47 × 48,434,970.23
  4. Step 4: Simplify right side
    89,688,077.85x = 5,994,774,298,036,204
  5. Step 5: Solve for x
    x = 5,994,774,298,036,204/89,688,077.85
  6. Step 6: Final answer
    x = 66,840,258.39

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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.