Home / 291,478,303.20-437,154,469.20-127,715,743.20

Finding the Fourth Proportional to 291,478,303.20, 437,154,469.20 and 127,715,743.20

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Solution

The fourth proportional to 291,478,303.20, 437,154,469.20 and 127,715,743.20 is: 191,546,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,478,303.20 : 437,154,469.20 = 127,715,743.20 : x
  2. Step 2: Convert to fraction form
    291,478,303.20/437,154,469.20 = 127,715,743.20/x
  3. Step 3: Cross multiply
    291,478,303.20x = 437,154,469.20 × 127,715,743.20
  4. Step 4: Simplify right side
    291,478,303.20x = 55,831,507,927,079,512
  5. Step 5: Solve for x
    x = 55,831,507,927,079,512/291,478,303.20
  6. Step 6: Final answer
    x = 191,546,016.68

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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.