Home / 112,534,415.40-168,801,623.10-104,976,143.40

Finding the Fourth Proportional to 112,534,415.40, 168,801,623.10 and 104,976,143.40

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Solution

The fourth proportional to 112,534,415.40, 168,801,623.10 and 104,976,143.40 is: 157,464,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,534,415.40 : 168,801,623.10 = 104,976,143.40 : x
  2. Step 2: Convert to fraction form
    112,534,415.40/168,801,623.10 = 104,976,143.40/x
  3. Step 3: Cross multiply
    112,534,415.40x = 168,801,623.10 × 104,976,143.40
  4. Step 4: Simplify right side
    112,534,415.40x = 17,720,143,392,698,352
  5. Step 5: Solve for x
    x = 17,720,143,392,698,352/112,534,415.40
  6. Step 6: Final answer
    x = 157,464,215.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.