Home / 186,911,299.28-280,376,850.36-57,607,720.40

Finding the Fourth Proportional to 186,911,299.28, 280,376,850.36 and 57,607,720.40

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Solution

The fourth proportional to 186,911,299.28, 280,376,850.36 and 57,607,720.40 is: 86,414,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,911,299.28 : 280,376,850.36 = 57,607,720.40 : x
  2. Step 2: Convert to fraction form
    186,911,299.28/280,376,850.36 = 57,607,720.40/x
  3. Step 3: Cross multiply
    186,911,299.28x = 280,376,850.36 × 57,607,720.40
  4. Step 4: Simplify right side
    186,911,299.28x = 16,151,871,202,171,520
  5. Step 5: Solve for x
    x = 16,151,871,202,171,520/186,911,299.28
  6. Step 6: Final answer
    x = 86,414,632.31

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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.