Home / 186,318,947.16-257,121,200.34-108,048,972.78

Finding the Fourth Proportional to 186,318,947.16, 257,121,200.34 and 108,048,972.78

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Solution

The fourth proportional to 186,318,947.16, 257,121,200.34 and 108,048,972.78 is: 149,108,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,318,947.16 : 257,121,200.34 = 108,048,972.78 : x
  2. Step 2: Convert to fraction form
    186,318,947.16/257,121,200.34 = 108,048,972.78/x
  3. Step 3: Cross multiply
    186,318,947.16x = 257,121,200.34 × 108,048,972.78
  4. Step 4: Simplify right side
    186,318,947.16x = 27,781,681,576,697,588
  5. Step 5: Solve for x
    x = 27,781,681,576,697,588/186,318,947.16
  6. Step 6: Final answer
    x = 149,108,193.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.