Home / 153,041,678.28-229,612,089.42-91,621,231.56

Finding the Fourth Proportional to 153,041,678.28, 229,612,089.42 and 91,621,231.56

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Solution

The fourth proportional to 153,041,678.28, 229,612,089.42 and 91,621,231.56 is: 137,461,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,041,678.28 : 229,612,089.42 = 91,621,231.56 : x
  2. Step 2: Convert to fraction form
    153,041,678.28/229,612,089.42 = 91,621,231.56/x
  3. Step 3: Cross multiply
    153,041,678.28x = 229,612,089.42 × 91,621,231.56
  4. Step 4: Simplify right side
    153,041,678.28x = 21,037,342,413,725,244
  5. Step 5: Solve for x
    x = 21,037,342,413,725,244/153,041,678.28
  6. Step 6: Final answer
    x = 137,461,524.53

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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.