Home / 90,849,776.77-125,372,054.16-49,596,669.15

Finding the Fourth Proportional to 90,849,776.77, 125,372,054.16 and 49,596,669.15

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Solution

The fourth proportional to 90,849,776.77, 125,372,054.16 and 49,596,669.15 is: 68,443,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849,776.77 : 125,372,054.16 = 49,596,669.15 : x
  2. Step 2: Convert to fraction form
    90,849,776.77/125,372,054.16 = 49,596,669.15/x
  3. Step 3: Cross multiply
    90,849,776.77x = 125,372,054.16 × 49,596,669.15
  4. Step 4: Simplify right side
    90,849,776.77x = 6,218,036,290,829,401
  5. Step 5: Solve for x
    x = 6,218,036,290,829,401/90,849,776.77
  6. Step 6: Final answer
    x = 68,443,055.25

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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.