Home / 372,649,439.64-514,258,266.24-216,109,359.12

Finding the Fourth Proportional to 372,649,439.64, 514,258,266.24 and 216,109,359.12

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Solution

The fourth proportional to 372,649,439.64, 514,258,266.24 and 216,109,359.12 is: 298,232,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649,439.64 : 514,258,266.24 = 216,109,359.12 : x
  2. Step 2: Convert to fraction form
    372,649,439.64/514,258,266.24 = 216,109,359.12/x
  3. Step 3: Cross multiply
    372,649,439.64x = 514,258,266.24 × 216,109,359.12
  4. Step 4: Simplify right side
    372,649,439.64x = 111,136,024,339,288,736
  5. Step 5: Solve for x
    x = 111,136,024,339,288,736/372,649,439.64
  6. Step 6: Final answer
    x = 298,232,098.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.