Home / 160,768,656.87-221,864,571.33-90,209,486.30

Finding the Fourth Proportional to 160,768,656.87, 221,864,571.33 and 90,209,486.30

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Solution

The fourth proportional to 160,768,656.87, 221,864,571.33 and 90,209,486.30 is: 124,491,237.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,768,656.87 : 221,864,571.33 = 90,209,486.30 : x
  2. Step 2: Convert to fraction form
    160,768,656.87/221,864,571.33 = 90,209,486.30/x
  3. Step 3: Cross multiply
    160,768,656.87x = 221,864,571.33 × 90,209,486.30
  4. Step 4: Simplify right side
    160,768,656.87x = 20,014,289,007,845,088
  5. Step 5: Solve for x
    x = 20,014,289,007,845,088/160,768,656.87
  6. Step 6: Final answer
    x = 124,491,237.27

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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.