Home / 51,500,126.96-71,069,032.23-27,978,055.82

Finding the Fourth Proportional to 51,500,126.96, 71,069,032.23 and 27,978,055.82

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Solution

The fourth proportional to 51,500,126.96, 71,069,032.23 and 27,978,055.82 is: 38,609,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,500,126.96 : 71,069,032.23 = 27,978,055.82 : x
  2. Step 2: Convert to fraction form
    51,500,126.96/71,069,032.23 = 27,978,055.82/x
  3. Step 3: Cross multiply
    51,500,126.96x = 71,069,032.23 × 27,978,055.82
  4. Step 4: Simplify right side
    51,500,126.96x = 1,988,373,350,804,319.25
  5. Step 5: Solve for x
    x = 1,988,373,350,804,319.25/51,500,126.96
  6. Step 6: Final answer
    x = 38,609,096.10

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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.