Home / 92,643,721.20-127,863,667.80-51,403,899.60

Finding the Fourth Proportional to 92,643,721.20, 127,863,667.80 and 51,403,899.60

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Solution

The fourth proportional to 92,643,721.20, 127,863,667.80 and 51,403,899.60 is: 70,945,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,643,721.20 : 127,863,667.80 = 51,403,899.60 : x
  2. Step 2: Convert to fraction form
    92,643,721.20/127,863,667.80 = 51,403,899.60/x
  3. Step 3: Cross multiply
    92,643,721.20x = 127,863,667.80 × 51,403,899.60
  4. Step 4: Simplify right side
    92,643,721.20x = 6,572,691,142,078,953
  5. Step 5: Solve for x
    x = 6,572,691,142,078,953/92,643,721.20
  6. Step 6: Final answer
    x = 70,945,888.80

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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.