Home / 193,506,361.89-290,152,467.32-76,803,492.93

Finding the Fourth Proportional to 193,506,361.89, 290,152,467.32 and 76,803,492.93

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Solution

The fourth proportional to 193,506,361.89, 290,152,467.32 and 76,803,492.93 is: 115,162,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,506,361.89 : 290,152,467.32 = 76,803,492.93 : x
  2. Step 2: Convert to fraction form
    193,506,361.89/290,152,467.32 = 76,803,492.93/x
  3. Step 3: Cross multiply
    193,506,361.89x = 290,152,467.32 × 76,803,492.93
  4. Step 4: Simplify right side
    193,506,361.89x = 22,284,722,972,433,676
  5. Step 5: Solve for x
    x = 22,284,722,972,433,676/193,506,361.89
  6. Step 6: Final answer
    x = 115,162,740.67

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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.