Home / 185,343,669.30-277,965,737.55-77,616,002.10

Finding the Fourth Proportional to 185,343,669.30, 277,965,737.55 and 77,616,002.10

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Solution

The fourth proportional to 185,343,669.30, 277,965,737.55 and 77,616,002.10 is: 116,403,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343,669.30 : 277,965,737.55 = 77,616,002.10 : x
  2. Step 2: Convert to fraction form
    185,343,669.30/277,965,737.55 = 77,616,002.10/x
  3. Step 3: Cross multiply
    185,343,669.30x = 277,965,737.55 × 77,616,002.10
  4. Step 4: Simplify right side
    185,343,669.30x = 21,574,589,269,408,848
  5. Step 5: Solve for x
    x = 21,574,589,269,408,848/185,343,669.30
  6. Step 6: Final answer
    x = 116,403,162.57

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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.