Home / 193,163,141.80-289,744,712.70-63,790,719.40

Finding the Fourth Proportional to 193,163,141.80, 289,744,712.70 and 63,790,719.40

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Solution

The fourth proportional to 193,163,141.80, 289,744,712.70 and 63,790,719.40 is: 95,686,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,163,141.80 : 289,744,712.70 = 63,790,719.40 : x
  2. Step 2: Convert to fraction form
    193,163,141.80/289,744,712.70 = 63,790,719.40/x
  3. Step 3: Cross multiply
    193,163,141.80x = 289,744,712.70 × 63,790,719.40
  4. Step 4: Simplify right side
    193,163,141.80x = 18,483,023,665,479,316
  5. Step 5: Solve for x
    x = 18,483,023,665,479,316/193,163,141.80
  6. Step 6: Final answer
    x = 95,686,079.10

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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.