Home / 103,669,751.98-155,444,466.30-49,081,876.57

Finding the Fourth Proportional to 103,669,751.98, 155,444,466.30 and 49,081,876.57

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Solution

The fourth proportional to 103,669,751.98, 155,444,466.30 and 49,081,876.57 is: 73,594,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669,751.98 : 155,444,466.30 = 49,081,876.57 : x
  2. Step 2: Convert to fraction form
    103,669,751.98/155,444,466.30 = 49,081,876.57/x
  3. Step 3: Cross multiply
    103,669,751.98x = 155,444,466.30 × 49,081,876.57
  4. Step 4: Simplify right side
    103,669,751.98x = 7,629,506,108,426,125
  5. Step 5: Solve for x
    x = 7,629,506,108,426,125/103,669,751.98
  6. Step 6: Final answer
    x = 73,594,331.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.