Home / 228,097,421.80-342,146,132.70-155,538,010.60

Finding the Fourth Proportional to 228,097,421.80, 342,146,132.70 and 155,538,010.60

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Solution

The fourth proportional to 228,097,421.80, 342,146,132.70 and 155,538,010.60 is: 233,307,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,097,421.80 : 342,146,132.70 = 155,538,010.60 : x
  2. Step 2: Convert to fraction form
    228,097,421.80/342,146,132.70 = 155,538,010.60/x
  3. Step 3: Cross multiply
    228,097,421.80x = 342,146,132.70 × 155,538,010.60
  4. Step 4: Simplify right side
    228,097,421.80x = 53,216,728,814,641,600
  5. Step 5: Solve for x
    x = 53,216,728,814,641,600/228,097,421.80
  6. Step 6: Final answer
    x = 233,307,015.90

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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.