Home / 312,274,077.04-430,940,777.88-173,047,164.40

Finding the Fourth Proportional to 312,274,077.04, 430,940,777.88 and 173,047,164.40

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Solution

The fourth proportional to 312,274,077.04, 430,940,777.88 and 173,047,164.40 is: 238,806,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,274,077.04 : 430,940,777.88 = 173,047,164.40 : x
  2. Step 2: Convert to fraction form
    312,274,077.04/430,940,777.88 = 173,047,164.40/x
  3. Step 3: Cross multiply
    312,274,077.04x = 430,940,777.88 × 173,047,164.40
  4. Step 4: Simplify right side
    312,274,077.04x = 74,573,079,636,464,240
  5. Step 5: Solve for x
    x = 74,573,079,636,464,240/312,274,077.04
  6. Step 6: Final answer
    x = 238,806,500.83

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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.