Home / 411,211,975.08-616,757,289.76-120,000,907.52

Finding the Fourth Proportional to 411,211,975.08, 616,757,289.76 and 120,000,907.52

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Solution

The fourth proportional to 411,211,975.08, 616,757,289.76 and 120,000,907.52 is: 179,983,655.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,211,975.08 : 616,757,289.76 = 120,000,907.52 : x
  2. Step 2: Convert to fraction form
    411,211,975.08/616,757,289.76 = 120,000,907.52/x
  3. Step 3: Cross multiply
    411,211,975.08x = 616,757,289.76 × 120,000,907.52
  4. Step 4: Simplify right side
    411,211,975.08x = 74,011,434,490,154,656
  5. Step 5: Solve for x
    x = 74,011,434,490,154,656/411,211,975.08
  6. Step 6: Final answer
    x = 179,983,655.57

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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.