Home / 199,278,432.02-275,004,354.13-111,172,430

Finding the Fourth Proportional to 199,278,432.02, 275,004,354.13 and 111,172,430

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Solution

The fourth proportional to 199,278,432.02, 275,004,354.13 and 111,172,430 is: 153,418,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,278,432.02 : 275,004,354.13 = 111,172,430 : x
  2. Step 2: Convert to fraction form
    199,278,432.02/275,004,354.13 = 111,172,430/x
  3. Step 3: Cross multiply
    199,278,432.02x = 275,004,354.13 × 111,172,430
  4. Step 4: Simplify right side
    199,278,432.02x = 30,572,902,309,212,636
  5. Step 5: Solve for x
    x = 30,572,902,309,212,636/199,278,432.02
  6. Step 6: Final answer
    x = 153,418,019.20

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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.