Home / 172,214,490-258,442,787.64-155,749,121.04

Finding the Fourth Proportional to 172,214,490, 258,442,787.64 and 155,749,121.04

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Solution

The fourth proportional to 172,214,490, 258,442,787.64 and 155,749,121.04 is: 233,733,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,214,490 : 258,442,787.64 = 155,749,121.04 : x
  2. Step 2: Convert to fraction form
    172,214,490/258,442,787.64 = 155,749,121.04/x
  3. Step 3: Cross multiply
    172,214,490x = 258,442,787.64 × 155,749,121.04
  4. Step 4: Simplify right side
    172,214,490x = 40,252,237,014,057,368
  5. Step 5: Solve for x
    x = 40,252,237,014,057,368/172,214,490
  6. Step 6: Final answer
    x = 233,733,160.40

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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.