Home / 291,036,019.60-436,614,682.20-97,007,712.40

Finding the Fourth Proportional to 291,036,019.60, 436,614,682.20 and 97,007,712.40

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Solution

The fourth proportional to 291,036,019.60, 436,614,682.20 and 97,007,712.40 is: 145,531,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,036,019.60 : 436,614,682.20 = 97,007,712.40 : x
  2. Step 2: Convert to fraction form
    291,036,019.60/436,614,682.20 = 97,007,712.40/x
  3. Step 3: Cross multiply
    291,036,019.60x = 436,614,682.20 × 97,007,712.40
  4. Step 4: Simplify right side
    291,036,019.60x = 42,354,991,520,475,000
  5. Step 5: Solve for x
    x = 42,354,991,520,475,000/291,036,019.60
  6. Step 6: Final answer
    x = 145,531,785.31

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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.