Home / 88,688,411.81-121,501,093.03-85,372,558.95

Finding the Fourth Proportional to 88,688,411.81, 121,501,093.03 and 85,372,558.95

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Solution

The fourth proportional to 88,688,411.81, 121,501,093.03 and 85,372,558.95 is: 116,958,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,688,411.81 : 121,501,093.03 = 85,372,558.95 : x
  2. Step 2: Convert to fraction form
    88,688,411.81/121,501,093.03 = 85,372,558.95/x
  3. Step 3: Cross multiply
    88,688,411.81x = 121,501,093.03 × 85,372,558.95
  4. Step 4: Simplify right side
    88,688,411.81x = 10,372,859,226,979,678
  5. Step 5: Solve for x
    x = 10,372,859,226,979,678/88,688,411.81
  6. Step 6: Final answer
    x = 116,958,450.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.