Home / 112,008,660.40-168,012,990.60-89,333,844.40

Finding the Fourth Proportional to 112,008,660.40, 168,012,990.60 and 89,333,844.40

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Solution

The fourth proportional to 112,008,660.40, 168,012,990.60 and 89,333,844.40 is: 134,000,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,008,660.40 : 168,012,990.60 = 89,333,844.40 : x
  2. Step 2: Convert to fraction form
    112,008,660.40/168,012,990.60 = 89,333,844.40/x
  3. Step 3: Cross multiply
    112,008,660.40x = 168,012,990.60 × 89,333,844.40
  4. Step 4: Simplify right side
    112,008,660.40x = 15,009,246,359,439,064
  5. Step 5: Solve for x
    x = 15,009,246,359,439,064/112,008,660.40
  6. Step 6: Final answer
    x = 134,000,766.60

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1.5x scale

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.