Home / 151,925,636.40-209,449,147.20-96,143,308.08

Finding the Fourth Proportional to 151,925,636.40, 209,449,147.20 and 96,143,308.08

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Solution

The fourth proportional to 151,925,636.40, 209,449,147.20 and 96,143,308.08 is: 132,545,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,925,636.40 : 209,449,147.20 = 96,143,308.08 : x
  2. Step 2: Convert to fraction form
    151,925,636.40/209,449,147.20 = 96,143,308.08/x
  3. Step 3: Cross multiply
    151,925,636.40x = 209,449,147.20 × 96,143,308.08
  4. Step 4: Simplify right side
    151,925,636.40x = 20,137,133,886,342,868
  5. Step 5: Solve for x
    x = 20,137,133,886,342,868/151,925,636.40
  6. Step 6: Final answer
    x = 132,545,990.02

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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.