Home / 112,064,944.05-154,590,809.99-91,180,329.71

Finding the Fourth Proportional to 112,064,944.05, 154,590,809.99 and 91,180,329.71

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Solution

The fourth proportional to 112,064,944.05, 154,590,809.99 and 91,180,329.71 is: 125,781,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064,944.05 : 154,590,809.99 = 91,180,329.71 : x
  2. Step 2: Convert to fraction form
    112,064,944.05/154,590,809.99 = 91,180,329.71/x
  3. Step 3: Cross multiply
    112,064,944.05x = 154,590,809.99 × 91,180,329.71
  4. Step 4: Simplify right side
    112,064,944.05x = 14,095,641,023,795,308
  5. Step 5: Solve for x
    x = 14,095,641,023,795,308/112,064,944.05
  6. Step 6: Final answer
    x = 125,781,002.64

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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.