Home / 291,380,546.40-437,060,710.80-73,032,799.20

Finding the Fourth Proportional to 291,380,546.40, 437,060,710.80 and 73,032,799.20

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Solution

The fourth proportional to 291,380,546.40, 437,060,710.80 and 73,032,799.20 is: 109,546,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,380,546.40 : 437,060,710.80 = 73,032,799.20 : x
  2. Step 2: Convert to fraction form
    291,380,546.40/437,060,710.80 = 73,032,799.20/x
  3. Step 3: Cross multiply
    291,380,546.40x = 437,060,710.80 × 73,032,799.20
  4. Step 4: Simplify right side
    291,380,546.40x = 31,919,767,130,065,672
  5. Step 5: Solve for x
    x = 31,919,767,130,065,672/291,380,546.40
  6. Step 6: Final answer
    x = 109,546,665.09

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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.