Home / 291,036,665.10-436,615,650.45-97,008,357.90

Finding the Fourth Proportional to 291,036,665.10, 436,615,650.45 and 97,008,357.90

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Solution

The fourth proportional to 291,036,665.10, 436,615,650.45 and 97,008,357.90 is: 145,532,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,036,665.10 : 436,615,650.45 = 97,008,357.90 : x
  2. Step 2: Convert to fraction form
    291,036,665.10/436,615,650.45 = 97,008,357.90/x
  3. Step 3: Cross multiply
    291,036,665.10x = 436,615,650.45 × 97,008,357.90
  4. Step 4: Simplify right side
    291,036,665.10x = 42,355,367,283,594,896
  5. Step 5: Solve for x
    x = 42,355,367,283,594,896/291,036,665.10
  6. Step 6: Final answer
    x = 145,532,753.64

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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.