Home / 85,281,151.86-117,687,989.54-46,122,928.61

Finding the Fourth Proportional to 85,281,151.86, 117,687,989.54 and 46,122,928.61

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Solution

The fourth proportional to 85,281,151.86, 117,687,989.54 and 46,122,928.61 is: 63,649,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,281,151.86 : 117,687,989.54 = 46,122,928.61 : x
  2. Step 2: Convert to fraction form
    85,281,151.86/117,687,989.54 = 46,122,928.61/x
  3. Step 3: Cross multiply
    85,281,151.86x = 117,687,989.54 × 46,122,928.61
  4. Step 4: Simplify right side
    85,281,151.86x = 5,428,114,739,334,714
  5. Step 5: Solve for x
    x = 5,428,114,739,334,714/85,281,151.86
  6. Step 6: Final answer
    x = 63,649,641.46

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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.