Home / 160,103,433.42-220,942,927.02-86,764,575.42

Finding the Fourth Proportional to 160,103,433.42, 220,942,927.02 and 86,764,575.42

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Solution

The fourth proportional to 160,103,433.42, 220,942,927.02 and 86,764,575.42 is: 119,735,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,103,433.42 : 220,942,927.02 = 86,764,575.42 : x
  2. Step 2: Convert to fraction form
    160,103,433.42/220,942,927.02 = 86,764,575.42/x
  3. Step 3: Cross multiply
    160,103,433.42x = 220,942,927.02 × 86,764,575.42
  4. Step 4: Simplify right side
    160,103,433.42x = 19,170,019,254,942,348
  5. Step 5: Solve for x
    x = 19,170,019,254,942,348/160,103,433.42
  6. Step 6: Final answer
    x = 119,735,216.45

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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.