Home / 199,278,431.02-275,004,352.75-111,172,429

Finding the Fourth Proportional to 199,278,431.02, 275,004,352.75 and 111,172,429

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Solution

The fourth proportional to 199,278,431.02, 275,004,352.75 and 111,172,429 is: 153,418,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278,431.02 : 275,004,352.75 = 111,172,429 : x
  2. Step 2: Convert to fraction form
    199,278,431.02/275,004,352.75 = 111,172,429/x
  3. Step 3: Cross multiply
    199,278,431.02x = 275,004,352.75 × 111,172,429
  4. Step 4: Simplify right side
    199,278,431.02x = 30,572,901,880,790,328
  5. Step 5: Solve for x
    x = 30,572,901,880,790,328/199,278,431.02
  6. Step 6: Final answer
    x = 153,418,017.82

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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.