Home / 112,320,419.40-168,197,193.90-89,645,603.40

Finding the Fourth Proportional to 112,320,419.40, 168,197,193.90 and 89,645,603.40

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Solution

The fourth proportional to 112,320,419.40, 168,197,193.90 and 89,645,603.40 is: 134,242,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320,419.40 : 168,197,193.90 = 89,645,603.40 : x
  2. Step 2: Convert to fraction form
    112,320,419.40/168,197,193.90 = 89,645,603.40/x
  3. Step 3: Cross multiply
    112,320,419.40x = 168,197,193.90 × 89,645,603.40
  4. Step 4: Simplify right side
    112,320,419.40x = 15,078,138,937,352,300
  5. Step 5: Solve for x
    x = 15,078,138,937,352,300/112,320,419.40
  6. Step 6: Final answer
    x = 134,242,188.71

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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.