Home / 212,588,859.60-293,372,624.52-114,803,706.96

Finding the Fourth Proportional to 212,588,859.60, 293,372,624.52 and 114,803,706.96

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Solution

The fourth proportional to 212,588,859.60, 293,372,624.52 and 114,803,706.96 is: 158,429,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,588,859.60 : 293,372,624.52 = 114,803,706.96 : x
  2. Step 2: Convert to fraction form
    212,588,859.60/293,372,624.52 = 114,803,706.96/x
  3. Step 3: Cross multiply
    212,588,859.60x = 293,372,624.52 × 114,803,706.96
  4. Step 4: Simplify right side
    212,588,859.60x = 33,680,264,815,480,188
  5. Step 5: Solve for x
    x = 33,680,264,815,480,188/212,588,859.60
  6. Step 6: Final answer
    x = 158,429,114.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.