Home / 122,868,639.85-169,557,576.74-67,114,038.92

Finding the Fourth Proportional to 122,868,639.85, 169,557,576.74 and 67,114,038.92

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Solution

The fourth proportional to 122,868,639.85, 169,557,576.74 and 67,114,038.92 is: 92,616,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,868,639.85 : 169,557,576.74 = 67,114,038.92 : x
  2. Step 2: Convert to fraction form
    122,868,639.85/169,557,576.74 = 67,114,038.92/x
  3. Step 3: Cross multiply
    122,868,639.85x = 169,557,576.74 × 67,114,038.92
  4. Step 4: Simplify right side
    122,868,639.85x = 11,379,693,804,509,248
  5. Step 5: Solve for x
    x = 11,379,693,804,509,248/122,868,639.85
  6. Step 6: Final answer
    x = 92,616,747.60

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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.