Home / 51,144,409.59-76,746,880.79-18,819,011.67

Finding the Fourth Proportional to 51,144,409.59, 76,746,880.79 and 18,819,011.67

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Solution

The fourth proportional to 51,144,409.59, 76,746,880.79 and 18,819,011.67 is: 28,239,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,409.59 : 76,746,880.79 = 18,819,011.67 : x
  2. Step 2: Convert to fraction form
    51,144,409.59/76,746,880.79 = 18,819,011.67/x
  3. Step 3: Cross multiply
    51,144,409.59x = 76,746,880.79 × 18,819,011.67
  4. Step 4: Simplify right side
    51,144,409.59x = 1,444,300,445,129,013.75
  5. Step 5: Solve for x
    x = 1,444,300,445,129,013.75/51,144,409.59
  6. Step 6: Final answer
    x = 28,239,654.28

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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.