Home / 86,185,465.60-118,904,867.36-66,345,297.92

Finding the Fourth Proportional to 86,185,465.60, 118,904,867.36 and 66,345,297.92

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Solution

The fourth proportional to 86,185,465.60, 118,904,867.36 and 66,345,297.92 is: 91,532,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,185,465.60 : 118,904,867.36 = 66,345,297.92 : x
  2. Step 2: Convert to fraction form
    86,185,465.60/118,904,867.36 = 66,345,297.92/x
  3. Step 3: Cross multiply
    86,185,465.60x = 118,904,867.36 × 66,345,297.92
  4. Step 4: Simplify right side
    86,185,465.60x = 7,888,778,849,137,284
  5. Step 5: Solve for x
    x = 7,888,778,849,137,284/86,185,465.60
  6. Step 6: Final answer
    x = 91,532,589.56

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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.