Home / 85,321,995.90-117,747,695.70-48,153,574.50

Finding the Fourth Proportional to 85,321,995.90, 117,747,695.70 and 48,153,574.50

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Solution

The fourth proportional to 85,321,995.90, 117,747,695.70 and 48,153,574.50 is: 66,453,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,321,995.90 : 117,747,695.70 = 48,153,574.50 : x
  2. Step 2: Convert to fraction form
    85,321,995.90/117,747,695.70 = 48,153,574.50/x
  3. Step 3: Cross multiply
    85,321,995.90x = 117,747,695.70 × 48,153,574.50
  4. Step 4: Simplify right side
    85,321,995.90x = 5,669,972,437,093,280
  5. Step 5: Solve for x
    x = 5,669,972,437,093,280/85,321,995.90
  6. Step 6: Final answer
    x = 66,453,818.59

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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.