Home / 85,388,681.25-117,827,338.25-48,216,708.35

Finding the Fourth Proportional to 85,388,681.25, 117,827,338.25 and 48,216,708.35

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Solution

The fourth proportional to 85,388,681.25, 117,827,338.25 and 48,216,708.35 is: 66,533,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,388,681.25 : 117,827,338.25 = 48,216,708.35 : x
  2. Step 2: Convert to fraction form
    85,388,681.25/117,827,338.25 = 48,216,708.35/x
  3. Step 3: Cross multiply
    85,388,681.25x = 117,827,338.25 × 48,216,708.35
  4. Step 4: Simplify right side
    85,388,681.25x = 5,681,246,404,421,744
  5. Step 5: Solve for x
    x = 5,681,246,404,421,744/85,388,681.25
  6. Step 6: Final answer
    x = 66,533,951.82

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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.