Home / 85,680,739.24-118,238,209.54-48,510,060.36

Finding the Fourth Proportional to 85,680,739.24, 118,238,209.54 and 48,510,060.36

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Solution

The fourth proportional to 85,680,739.24, 118,238,209.54 and 48,510,060.36 is: 66,943,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,680,739.24 : 118,238,209.54 = 48,510,060.36 : x
  2. Step 2: Convert to fraction form
    85,680,739.24/118,238,209.54 = 48,510,060.36/x
  3. Step 3: Cross multiply
    85,680,739.24x = 118,238,209.54 × 48,510,060.36
  4. Step 4: Simplify right side
    85,680,739.24x = 5,735,742,681,643,728
  5. Step 5: Solve for x
    x = 5,735,742,681,643,728/85,680,739.24
  6. Step 6: Final answer
    x = 66,943,197.88

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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.