Home / 159,620,145.42-220,275,703.26-86,281,287.42

Finding the Fourth Proportional to 159,620,145.42, 220,275,703.26 and 86,281,287.42

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Solution

The fourth proportional to 159,620,145.42, 220,275,703.26 and 86,281,287.42 is: 119,068,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,620,145.42 : 220,275,703.26 = 86,281,287.42 : x
  2. Step 2: Convert to fraction form
    159,620,145.42/220,275,703.26 = 86,281,287.42/x
  3. Step 3: Cross multiply
    159,620,145.42x = 220,275,703.26 × 86,281,287.42
  4. Step 4: Simplify right side
    159,620,145.42x = 19,005,671,264,618,692
  5. Step 5: Solve for x
    x = 19,005,671,264,618,692/159,620,145.42
  6. Step 6: Final answer
    x = 119,068,123.98

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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.