Home / 85,652,286.47-118,196,750.26-48,490,275.50

Finding the Fourth Proportional to 85,652,286.47, 118,196,750.26 and 48,490,275.50

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Solution

The fourth proportional to 85,652,286.47, 118,196,750.26 and 48,490,275.50 is: 66,914,652.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,652,286.47 : 118,196,750.26 = 48,490,275.50 : x
  2. Step 2: Convert to fraction form
    85,652,286.47/118,196,750.26 = 48,490,275.50/x
  3. Step 3: Cross multiply
    85,652,286.47x = 118,196,750.26 × 48,490,275.50
  4. Step 4: Simplify right side
    85,652,286.47x = 5,731,392,982,638,817
  5. Step 5: Solve for x
    x = 5,731,392,982,638,817/85,652,286.47
  6. Step 6: Final answer
    x = 66,914,652.48

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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.