Home / 355,209,721.12-532,572,112.23-189,238,040.02

Finding the Fourth Proportional to 355,209,721.12, 532,572,112.23 and 189,238,040.02

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Solution

The fourth proportional to 355,209,721.12, 532,572,112.23 and 189,238,040.02 is: 283,727,884.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209,721.12 : 532,572,112.23 = 189,238,040.02 : x
  2. Step 2: Convert to fraction form
    355,209,721.12/532,572,112.23 = 189,238,040.02/x
  3. Step 3: Cross multiply
    355,209,721.12x = 532,572,112.23 × 189,238,040.02
  4. Step 4: Simplify right side
    355,209,721.12x = 100,782,902,687,716,688
  5. Step 5: Solve for x
    x = 100,782,902,687,716,688/355,209,721.12
  6. Step 6: Final answer
    x = 283,727,884.39

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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.