Home / 192,943,522.32-289,252,581.40-83,686,404.21

Finding the Fourth Proportional to 192,943,522.32, 289,252,581.40 and 83,686,404.21

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Solution

The fourth proportional to 192,943,522.32, 289,252,581.40 and 83,686,404.21 is: 125,459,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,943,522.32 : 289,252,581.40 = 83,686,404.21 : x
  2. Step 2: Convert to fraction form
    192,943,522.32/289,252,581.40 = 83,686,404.21/x
  3. Step 3: Cross multiply
    192,943,522.32x = 289,252,581.40 × 83,686,404.21
  4. Step 4: Simplify right side
    192,943,522.32x = 24,206,508,445,826,324
  5. Step 5: Solve for x
    x = 24,206,508,445,826,324/192,943,522.32
  6. Step 6: Final answer
    x = 125,459,036.69

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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.