Home / 291,699,686.40-437,275,814.40-110,068,915.20

Finding the Fourth Proportional to 291,699,686.40, 437,275,814.40 and 110,068,915.20

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Solution

The fourth proportional to 291,699,686.40, 437,275,814.40 and 110,068,915.20 is: 165,000,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,699,686.40 : 437,275,814.40 = 110,068,915.20 : x
  2. Step 2: Convert to fraction form
    291,699,686.40/437,275,814.40 = 110,068,915.20/x
  3. Step 3: Cross multiply
    291,699,686.40x = 437,275,814.40 × 110,068,915.20
  4. Step 4: Simplify right side
    291,699,686.40x = 48,130,474,534,204,536
  5. Step 5: Solve for x
    x = 48,130,474,534,204,536/291,699,686.40
  6. Step 6: Final answer
    x = 165,000,090.09

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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.