Home / 199,320,430.84-275,087,036.91-115,670,600.49

Finding the Fourth Proportional to 199,320,430.84, 275,087,036.91 and 115,670,600.49

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Solution

The fourth proportional to 199,320,430.84, 275,087,036.91 and 115,670,600.49 is: 159,639,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320,430.84 : 275,087,036.91 = 115,670,600.49 : x
  2. Step 2: Convert to fraction form
    199,320,430.84/275,087,036.91 = 115,670,600.49/x
  3. Step 3: Cross multiply
    199,320,430.84x = 275,087,036.91 × 115,670,600.49
  4. Step 4: Simplify right side
    199,320,430.84x = 31,819,482,745,019,060
  5. Step 5: Solve for x
    x = 31,819,482,745,019,060/199,320,430.84
  6. Step 6: Final answer
    x = 159,639,845.30

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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.