Home / 154,874,749.94-213,720,608.45-84,308,891.30

Finding the Fourth Proportional to 154,874,749.94, 213,720,608.45 and 84,308,891.30

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Solution

The fourth proportional to 154,874,749.94, 213,720,608.45 and 84,308,891.30 is: 116,342,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,874,749.94 : 213,720,608.45 = 84,308,891.30 : x
  2. Step 2: Convert to fraction form
    154,874,749.94/213,720,608.45 = 84,308,891.30/x
  3. Step 3: Cross multiply
    154,874,749.94x = 213,720,608.45 × 84,308,891.30
  4. Step 4: Simplify right side
    154,874,749.94x = 18,018,547,544,890,764
  5. Step 5: Solve for x
    x = 18,018,547,544,890,764/154,874,749.94
  6. Step 6: Final answer
    x = 116,342,706.30

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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.