Home / 10,125,104,715.99-15,172,405,050.20-9,021,685,725.72

Finding the Fourth Proportional to 10,125,104,715.99, 15,172,405,050.20 and 9,021,685,725.72

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Solution

The fourth proportional to 10,125,104,715.99, 15,172,405,050.20 and 9,021,685,725.72 is: 13,518,938,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,104,715.99 : 15,172,405,050.20 = 9,021,685,725.72 : x
  2. Step 2: Convert to fraction form
    10,125,104,715.99/15,172,405,050.20 = 9,021,685,725.72/x
  3. Step 3: Cross multiply
    10,125,104,715.99x = 15,172,405,050.20 × 9,021,685,725.72
  4. Step 4: Simplify right side
    10,125,104,715.99x = 136,880,670,066,186,256,384
  5. Step 5: Solve for x
    x = 136,880,670,066,186,256,384/10,125,104,715.99
  6. Step 6: Final answer
    x = 13,518,938,707.87

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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.