Home / 309,060,867.68-426,507,392.04-169,831,665.44

Finding the Fourth Proportional to 309,060,867.68, 426,507,392.04 and 169,831,665.44

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Solution

The fourth proportional to 309,060,867.68, 426,507,392.04 and 169,831,665.44 is: 234,369,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,060,867.68 : 426,507,392.04 = 169,831,665.44 : x
  2. Step 2: Convert to fraction form
    309,060,867.68/426,507,392.04 = 169,831,665.44/x
  3. Step 3: Cross multiply
    309,060,867.68x = 426,507,392.04 × 169,831,665.44
  4. Step 4: Simplify right side
    309,060,867.68x = 72,434,460,712,624,208
  5. Step 5: Solve for x
    x = 72,434,460,712,624,208/309,060,867.68
  6. Step 6: Final answer
    x = 234,369,563.69

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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.