Home / 112,354,628.80-168,657,914.40-86,908,446.40

Finding the Fourth Proportional to 112,354,628.80, 168,657,914.40 and 86,908,446.40

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Solution

The fourth proportional to 112,354,628.80, 168,657,914.40 and 86,908,446.40 is: 130,460,110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,354,628.80 : 168,657,914.40 = 86,908,446.40 : x
  2. Step 2: Convert to fraction form
    112,354,628.80/168,657,914.40 = 86,908,446.40/x
  3. Step 3: Cross multiply
    112,354,628.80x = 168,657,914.40 × 86,908,446.40
  4. Step 4: Simplify right side
    112,354,628.80x = 14,657,797,313,568,190
  5. Step 5: Solve for x
    x = 14,657,797,313,568,190/112,354,628.80
  6. Step 6: Final answer
    x = 130,460,110.72

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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.