Home / 112,008,648.40-168,012,972.60-89,333,832.40

Finding the Fourth Proportional to 112,008,648.40, 168,012,972.60 and 89,333,832.40

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Solution

The fourth proportional to 112,008,648.40, 168,012,972.60 and 89,333,832.40 is: 134,000,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008,648.40 : 168,012,972.60 = 89,333,832.40 : x
  2. Step 2: Convert to fraction form
    112,008,648.40/168,012,972.60 = 89,333,832.40/x
  3. Step 3: Cross multiply
    112,008,648.40x = 168,012,972.60 × 89,333,832.40
  4. Step 4: Simplify right side
    112,008,648.40x = 15,009,242,735,274,192
  5. Step 5: Solve for x
    x = 15,009,242,735,274,192/112,008,648.40
  6. Step 6: Final answer
    x = 134,000,748.60

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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.