Home / 193,342,421.60-290,013,632.40-116,901,231.20

Finding the Fourth Proportional to 193,342,421.60, 290,013,632.40 and 116,901,231.20

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Solution

The fourth proportional to 193,342,421.60, 290,013,632.40 and 116,901,231.20 is: 175,351,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,342,421.60 : 290,013,632.40 = 116,901,231.20 : x
  2. Step 2: Convert to fraction form
    193,342,421.60/290,013,632.40 = 116,901,231.20/x
  3. Step 3: Cross multiply
    193,342,421.60x = 290,013,632.40 × 116,901,231.20
  4. Step 4: Simplify right side
    193,342,421.60x = 33,902,950,692,344,208
  5. Step 5: Solve for x
    x = 33,902,950,692,344,208/193,342,421.60
  6. Step 6: Final answer
    x = 175,351,846.80

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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.