Home / 51,293,016.55-70,782,237.07-28,087,743.70

Finding the Fourth Proportional to 51,293,016.55, 70,782,237.07 and 28,087,743.70

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Solution

The fourth proportional to 51,293,016.55, 70,782,237.07 and 28,087,743.70 is: 38,759,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,293,016.55 : 70,782,237.07 = 28,087,743.70 : x
  2. Step 2: Convert to fraction form
    51,293,016.55/70,782,237.07 = 28,087,743.70/x
  3. Step 3: Cross multiply
    51,293,016.55x = 70,782,237.07 × 28,087,743.70
  4. Step 4: Simplify right side
    51,293,016.55x = 1,988,113,333,334,798.75
  5. Step 5: Solve for x
    x = 1,988,113,333,334,798.75/51,293,016.55
  6. Step 6: Final answer
    x = 38,759,922.25

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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.