Home / 159,767,357.70-239,651,036.55-105,347,799.30

Finding the Fourth Proportional to 159,767,357.70, 239,651,036.55 and 105,347,799.30

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Solution

The fourth proportional to 159,767,357.70, 239,651,036.55 and 105,347,799.30 is: 158,021,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,767,357.70 : 239,651,036.55 = 105,347,799.30 : x
  2. Step 2: Convert to fraction form
    159,767,357.70/239,651,036.55 = 105,347,799.30/x
  3. Step 3: Cross multiply
    159,767,357.70x = 239,651,036.55 × 105,347,799.30
  4. Step 4: Simplify right side
    159,767,357.70x = 25,246,709,300,506,364
  5. Step 5: Solve for x
    x = 25,246,709,300,506,364/159,767,357.70
  6. Step 6: Final answer
    x = 158,021,698.95

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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.