Home / 289,497,763.20-434,097,345.60-107,651,337.60

Finding the Fourth Proportional to 289,497,763.20, 434,097,345.60 and 107,651,337.60

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Solution

The fourth proportional to 289,497,763.20, 434,097,345.60 and 107,651,337.60 is: 161,421,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,497,763.20 : 434,097,345.60 = 107,651,337.60 : x
  2. Step 2: Convert to fraction form
    289,497,763.20/434,097,345.60 = 107,651,337.60/x
  3. Step 3: Cross multiply
    289,497,763.20x = 434,097,345.60 × 107,651,337.60
  4. Step 4: Simplify right side
    289,497,763.20x = 46,731,159,902,449,472
  5. Step 5: Solve for x
    x = 46,731,159,902,449,472/289,497,763.20
  6. Step 6: Final answer
    x = 161,421,488.67

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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.