Home / 245,775,758.40-368,663,637.60-206,360,769.60

Finding the Fourth Proportional to 245,775,758.40, 368,663,637.60 and 206,360,769.60

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Solution

The fourth proportional to 245,775,758.40, 368,663,637.60 and 206,360,769.60 is: 309,541,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,775,758.40 : 368,663,637.60 = 206,360,769.60 : x
  2. Step 2: Convert to fraction form
    245,775,758.40/368,663,637.60 = 206,360,769.60/x
  3. Step 3: Cross multiply
    245,775,758.40x = 368,663,637.60 × 206,360,769.60
  4. Step 4: Simplify right side
    245,775,758.40x = 76,077,711,978,671,504
  5. Step 5: Solve for x
    x = 76,077,711,978,671,504/245,775,758.40
  6. Step 6: Final answer
    x = 309,541,154.40

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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.