Home / 85,638,245.19-118,180,889.02-46,480,017.48

Finding the Fourth Proportional to 85,638,245.19, 118,180,889.02 and 46,480,017.48

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Solution

The fourth proportional to 85,638,245.19, 118,180,889.02 and 46,480,017.48 is: 64,142,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,638,245.19 : 118,180,889.02 = 46,480,017.48 : x
  2. Step 2: Convert to fraction form
    85,638,245.19/118,180,889.02 = 46,480,017.48/x
  3. Step 3: Cross multiply
    85,638,245.19x = 118,180,889.02 × 46,480,017.48
  4. Step 4: Simplify right side
    85,638,245.19x = 5,493,049,787,451,539
  5. Step 5: Solve for x
    x = 5,493,049,787,451,539/85,638,245.19
  6. Step 6: Final answer
    x = 64,142,484.18

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1.5x scale

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.