Home / 216,777,883.15-299,153,806.43-117,658,666.11

Finding the Fourth Proportional to 216,777,883.15, 299,153,806.43 and 117,658,666.11

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Solution

The fourth proportional to 216,777,883.15, 299,153,806.43 and 117,658,666.11 is: 162,369,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777,883.15 : 299,153,806.43 = 117,658,666.11 : x
  2. Step 2: Convert to fraction form
    216,777,883.15/299,153,806.43 = 117,658,666.11/x
  3. Step 3: Cross multiply
    216,777,883.15x = 299,153,806.43 × 117,658,666.11
  4. Step 4: Simplify right side
    216,777,883.15x = 35,198,037,826,282,940
  5. Step 5: Solve for x
    x = 35,198,037,826,282,940/216,777,883.15
  6. Step 6: Final answer
    x = 162,369,137.09

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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.