Home / 257,597,659,123.52-386,572,989,164.40-89,905,121,797.04

Finding the Fourth Proportional to 257,597,659,123.52, 386,572,989,164.40 and 89,905,121,797.04

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Solution

The fourth proportional to 257,597,659,123.52, 386,572,989,164.40 and 89,905,121,797.04 is: 134,919,283,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,597,659,123.52 : 386,572,989,164.40 = 89,905,121,797.04 : x
  2. Step 2: Convert to fraction form
    257,597,659,123.52/386,572,989,164.40 = 89,905,121,797.04/x
  3. Step 3: Cross multiply
    257,597,659,123.52x = 386,572,989,164.40 × 89,905,121,797.04
  4. Step 4: Simplify right side
    257,597,659,123.52x = 34,754,891,674,271,203,983,360
  5. Step 5: Solve for x
    x = 34,754,891,674,271,203,983,360/257,597,659,123.52
  6. Step 6: Final answer
    x = 134,919,283,787.46

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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.