Home / 161,379,627.30-242,069,432.76-153,538,551.63

Finding the Fourth Proportional to 161,379,627.30, 242,069,432.76 and 153,538,551.63

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Solution

The fourth proportional to 161,379,627.30, 242,069,432.76 and 153,538,551.63 is: 230,307,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,379,627.30 : 242,069,432.76 = 153,538,551.63 : x
  2. Step 2: Convert to fraction form
    161,379,627.30/242,069,432.76 = 153,538,551.63/x
  3. Step 3: Cross multiply
    161,379,627.30x = 242,069,432.76 × 153,538,551.63
  4. Step 4: Simplify right side
    161,379,627.30x = 37,166,990,099,866,072
  5. Step 5: Solve for x
    x = 37,166,990,099,866,072/161,379,627.30
  6. Step 6: Final answer
    x = 230,307,819.65

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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.