Home / 284,320,359.16-426,480,538.74-68,909,607.16

Finding the Fourth Proportional to 284,320,359.16, 426,480,538.74 and 68,909,607.16

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Solution

The fourth proportional to 284,320,359.16, 426,480,538.74 and 68,909,607.16 is: 103,364,410.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,320,359.16 : 426,480,538.74 = 68,909,607.16 : x
  2. Step 2: Convert to fraction form
    284,320,359.16/426,480,538.74 = 68,909,607.16/x
  3. Step 3: Cross multiply
    284,320,359.16x = 426,480,538.74 × 68,909,607.16
  4. Step 4: Simplify right side
    284,320,359.16x = 29,388,606,385,958,560
  5. Step 5: Solve for x
    x = 29,388,606,385,958,560/284,320,359.16
  6. Step 6: Final answer
    x = 103,364,410.74

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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.