Home / 112,006,872.40-168,010,308.60-89,332,056.40

Finding the Fourth Proportional to 112,006,872.40, 168,010,308.60 and 89,332,056.40

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Solution

The fourth proportional to 112,006,872.40, 168,010,308.60 and 89,332,056.40 is: 133,998,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,006,872.40 : 168,010,308.60 = 89,332,056.40 : x
  2. Step 2: Convert to fraction form
    112,006,872.40/168,010,308.60 = 89,332,056.40/x
  3. Step 3: Cross multiply
    112,006,872.40x = 168,010,308.60 × 89,332,056.40
  4. Step 4: Simplify right side
    112,006,872.40x = 15,008,706,363,636,606
  5. Step 5: Solve for x
    x = 15,008,706,363,636,606/112,006,872.40
  6. Step 6: Final answer
    x = 133,998,084.60

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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.