Home / 193,147,298.40-289,720,947.60-147,797,666.40

Finding the Fourth Proportional to 193,147,298.40, 289,720,947.60 and 147,797,666.40

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Solution

The fourth proportional to 193,147,298.40, 289,720,947.60 and 147,797,666.40 is: 221,696,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147,298.40 : 289,720,947.60 = 147,797,666.40 : x
  2. Step 2: Convert to fraction form
    193,147,298.40/289,720,947.60 = 147,797,666.40/x
  3. Step 3: Cross multiply
    193,147,298.40x = 289,720,947.60 × 147,797,666.40
  4. Step 4: Simplify right side
    193,147,298.40x = 42,820,079,962,476,688
  5. Step 5: Solve for x
    x = 42,820,079,962,476,688/193,147,298.40
  6. Step 6: Final answer
    x = 221,696,499.60

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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.