Home / 114,689,121.60-172,033,682.40-50,988,129.60

Finding the Fourth Proportional to 114,689,121.60, 172,033,682.40 and 50,988,129.60

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Solution

The fourth proportional to 114,689,121.60, 172,033,682.40 and 50,988,129.60 is: 76,482,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,689,121.60 : 172,033,682.40 = 50,988,129.60 : x
  2. Step 2: Convert to fraction form
    114,689,121.60/172,033,682.40 = 50,988,129.60/x
  3. Step 3: Cross multiply
    114,689,121.60x = 172,033,682.40 × 50,988,129.60
  4. Step 4: Simplify right side
    114,689,121.60x = 8,771,675,693,776,440
  5. Step 5: Solve for x
    x = 8,771,675,693,776,440/114,689,121.60
  6. Step 6: Final answer
    x = 76,482,194.40

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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.