Home / 231,603,697.20-347,416,718.16-76,154,063.52

Finding the Fourth Proportional to 231,603,697.20, 347,416,718.16 and 76,154,063.52

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Solution

The fourth proportional to 231,603,697.20, 347,416,718.16 and 76,154,063.52 is: 114,234,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,603,697.20 : 347,416,718.16 = 76,154,063.52 : x
  2. Step 2: Convert to fraction form
    231,603,697.20/347,416,718.16 = 76,154,063.52/x
  3. Step 3: Cross multiply
    231,603,697.20x = 347,416,718.16 × 76,154,063.52
  4. Step 4: Simplify right side
    231,603,697.20x = 26,457,194,822,666,580
  5. Step 5: Solve for x
    x = 26,457,194,822,666,580/231,603,697.20
  6. Step 6: Final answer
    x = 114,234,768.89

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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.