Home / 251,373,154.64-346,889,516.25-145,531,033.40

Finding the Fourth Proportional to 251,373,154.64, 346,889,516.25 and 145,531,033.40

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Solution

The fourth proportional to 251,373,154.64, 346,889,516.25 and 145,531,033.40 is: 200,829,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,373,154.64 : 346,889,516.25 = 145,531,033.40 : x
  2. Step 2: Convert to fraction form
    251,373,154.64/346,889,516.25 = 145,531,033.40/x
  3. Step 3: Cross multiply
    251,373,154.64x = 346,889,516.25 × 145,531,033.40
  4. Step 4: Simplify right side
    251,373,154.64x = 50,483,189,775,488,592
  5. Step 5: Solve for x
    x = 50,483,189,775,488,592/251,373,154.64
  6. Step 6: Final answer
    x = 200,829,678.28

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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.