Home / 90,849,776.66-125,372,054-49,596,669.04

Finding the Fourth Proportional to 90,849,776.66, 125,372,054 and 49,596,669.04

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Solution

The fourth proportional to 90,849,776.66, 125,372,054 and 49,596,669.04 is: 68,443,055.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849,776.66 : 125,372,054 = 49,596,669.04 : x
  2. Step 2: Convert to fraction form
    90,849,776.66/125,372,054 = 49,596,669.04/x
  3. Step 3: Cross multiply
    90,849,776.66x = 125,372,054 × 49,596,669.04
  4. Step 4: Simplify right side
    90,849,776.66x = 6,218,036,269,103,008
  5. Step 5: Solve for x
    x = 6,218,036,269,103,008/90,849,776.66
  6. Step 6: Final answer
    x = 68,443,055.09

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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.