Home / 112,344,140.40-168,232,775.40-89,669,324.40

Finding the Fourth Proportional to 112,344,140.40, 168,232,775.40 and 89,669,324.40

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Solution

The fourth proportional to 112,344,140.40, 168,232,775.40 and 89,669,324.40 is: 134,277,758.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,140.40 : 168,232,775.40 = 89,669,324.40 : x
  2. Step 2: Convert to fraction form
    112,344,140.40/168,232,775.40 = 89,669,324.40/x
  3. Step 3: Cross multiply
    112,344,140.40x = 168,232,775.40 × 89,669,324.40
  4. Step 4: Simplify right side
    112,344,140.40x = 15,085,319,312,054,942
  5. Step 5: Solve for x
    x = 15,085,319,312,054,942/112,344,140.40
  6. Step 6: Final answer
    x = 134,277,758.13

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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.