Home / 85,014,653.61-127,389,120.16-59,157,474.80

Finding the Fourth Proportional to 85,014,653.61, 127,389,120.16 and 59,157,474.80

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Solution

The fourth proportional to 85,014,653.61, 127,389,120.16 and 59,157,474.80 is: 88,643,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014,653.61 : 127,389,120.16 = 59,157,474.80 : x
  2. Step 2: Convert to fraction form
    85,014,653.61/127,389,120.16 = 59,157,474.80/x
  3. Step 3: Cross multiply
    85,014,653.61x = 127,389,120.16 × 59,157,474.80
  4. Step 4: Simplify right side
    85,014,653.61x = 7,536,018,665,659,371
  5. Step 5: Solve for x
    x = 7,536,018,665,659,371/85,014,653.61
  6. Step 6: Final answer
    x = 88,643,761.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.