Home / 47,903,655.56-66,129,113.61-28,054,659.42

Finding the Fourth Proportional to 47,903,655.56, 66,129,113.61 and 28,054,659.42

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Solution

The fourth proportional to 47,903,655.56, 66,129,113.61 and 28,054,659.42 is: 38,728,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903,655.56 : 66,129,113.61 = 28,054,659.42 : x
  2. Step 2: Convert to fraction form
    47,903,655.56/66,129,113.61 = 28,054,659.42/x
  3. Step 3: Cross multiply
    47,903,655.56x = 66,129,113.61 × 28,054,659.42
  4. Step 4: Simplify right side
    47,903,655.56x = 1,855,229,760,075,036.75
  5. Step 5: Solve for x
    x = 1,855,229,760,075,036.75/47,903,655.56
  6. Step 6: Final answer
    x = 38,728,354.62

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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.