Home / 51,500,125.96-71,069,030.85-27,978,054.82

Finding the Fourth Proportional to 51,500,125.96, 71,069,030.85 and 27,978,054.82

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Solution

The fourth proportional to 51,500,125.96, 71,069,030.85 and 27,978,054.82 is: 38,609,094.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500,125.96 : 71,069,030.85 = 27,978,054.82 : x
  2. Step 2: Convert to fraction form
    51,500,125.96/71,069,030.85 = 27,978,054.82/x
  3. Step 3: Cross multiply
    51,500,125.96x = 71,069,030.85 × 27,978,054.82
  4. Step 4: Simplify right side
    51,500,125.96x = 1,988,373,241,125,571
  5. Step 5: Solve for x
    x = 1,988,373,241,125,571/51,500,125.96
  6. Step 6: Final answer
    x = 38,609,094.72

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1.5x scale

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.