Home / 145,151,916.46-200,309,556.40-79,961,820.46

Finding the Fourth Proportional to 145,151,916.46, 200,309,556.40 and 79,961,820.46

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Solution

The fourth proportional to 145,151,916.46, 200,309,556.40 and 79,961,820.46 is: 110,347,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,916.46 : 200,309,556.40 = 79,961,820.46 : x
  2. Step 2: Convert to fraction form
    145,151,916.46/200,309,556.40 = 79,961,820.46/x
  3. Step 3: Cross multiply
    145,151,916.46x = 200,309,556.40 × 79,961,820.46
  4. Step 4: Simplify right side
    145,151,916.46x = 16,017,116,784,277,496
  5. Step 5: Solve for x
    x = 16,017,116,784,277,496/145,151,916.46
  6. Step 6: Final answer
    x = 110,347,263.58

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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.