Home / 207,142,216.98-310,754,257.28-75,985,710.56

Finding the Fourth Proportional to 207,142,216.98, 310,754,257.28 and 75,985,710.56

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Solution

The fourth proportional to 207,142,216.98, 310,754,257.28 and 75,985,710.56 is: 113,993,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,142,216.98 : 310,754,257.28 = 75,985,710.56 : x
  2. Step 2: Convert to fraction form
    207,142,216.98/310,754,257.28 = 75,985,710.56/x
  3. Step 3: Cross multiply
    207,142,216.98x = 310,754,257.28 × 75,985,710.56
  4. Step 4: Simplify right side
    207,142,216.98x = 23,612,883,047,032,152
  5. Step 5: Solve for x
    x = 23,612,883,047,032,152/207,142,216.98
  6. Step 6: Final answer
    x = 113,993,580.79

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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.