Home / 85,321,962.90-117,747,650.16-48,153,541.50

Finding the Fourth Proportional to 85,321,962.90, 117,747,650.16 and 48,153,541.50

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Solution

The fourth proportional to 85,321,962.90, 117,747,650.16 and 48,153,541.50 is: 66,453,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321,962.90 : 117,747,650.16 = 48,153,541.50 : x
  2. Step 2: Convert to fraction form
    85,321,962.90/117,747,650.16 = 48,153,541.50/x
  3. Step 3: Cross multiply
    85,321,962.90x = 117,747,650.16 × 48,153,541.50
  4. Step 4: Simplify right side
    85,321,962.90x = 5,669,966,358,507,041
  5. Step 5: Solve for x
    x = 5,669,966,358,507,041/85,321,962.90
  6. Step 6: Final answer
    x = 66,453,773.05

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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.