Home / 245,038,372.38-367,335,090.45-122,254,243.74

Finding the Fourth Proportional to 245,038,372.38, 367,335,090.45 and 122,254,243.74

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Solution

The fourth proportional to 245,038,372.38, 367,335,090.45 and 122,254,243.74 is: 183,270,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,038,372.38 : 367,335,090.45 = 122,254,243.74 : x
  2. Step 2: Convert to fraction form
    245,038,372.38/367,335,090.45 = 122,254,243.74/x
  3. Step 3: Cross multiply
    245,038,372.38x = 367,335,090.45 × 122,254,243.74
  4. Step 4: Simplify right side
    245,038,372.38x = 44,908,273,682,129,240
  5. Step 5: Solve for x
    x = 44,908,273,682,129,240/245,038,372.38
  6. Step 6: Final answer
    x = 183,270,372.09

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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.