Home / 90,849,776.98-125,372,054.44-49,596,669.36

Finding the Fourth Proportional to 90,849,776.98, 125,372,054.44 and 49,596,669.36

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Solution

The fourth proportional to 90,849,776.98, 125,372,054.44 and 49,596,669.36 is: 68,443,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849,776.98 : 125,372,054.44 = 49,596,669.36 : x
  2. Step 2: Convert to fraction form
    90,849,776.98/125,372,054.44 = 49,596,669.36/x
  3. Step 3: Cross multiply
    90,849,776.98x = 125,372,054.44 × 49,596,669.36
  4. Step 4: Simplify right side
    90,849,776.98x = 6,218,036,330,169,756
  5. Step 5: Solve for x
    x = 6,218,036,330,169,756/90,849,776.98
  6. Step 6: Final answer
    x = 68,443,055.52

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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.