Home / 51,833,485.13-71,529,784.21-28,312,036.88

Finding the Fourth Proportional to 51,833,485.13, 71,529,784.21 and 28,312,036.88

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Solution

The fourth proportional to 51,833,485.13, 71,529,784.21 and 28,312,036.88 is: 39,070,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,833,485.13 : 71,529,784.21 = 28,312,036.88 : x
  2. Step 2: Convert to fraction form
    51,833,485.13/71,529,784.21 = 28,312,036.88/x
  3. Step 3: Cross multiply
    51,833,485.13x = 71,529,784.21 × 28,312,036.88
  4. Step 4: Simplify right side
    51,833,485.13x = 2,025,153,888,571,961.50
  5. Step 5: Solve for x
    x = 2,025,153,888,571,961.50/51,833,485.13
  6. Step 6: Final answer
    x = 39,070,378.61

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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.