Home / 122,907,792.25-169,610,746.99-67,152,012.69

Finding the Fourth Proportional to 122,907,792.25, 169,610,746.99 and 67,152,012.69

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Solution

The fourth proportional to 122,907,792.25, 169,610,746.99 and 67,152,012.69 is: 92,668,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,907,792.25 : 169,610,746.99 = 67,152,012.69 : x
  2. Step 2: Convert to fraction form
    122,907,792.25/169,610,746.99 = 67,152,012.69/x
  3. Step 3: Cross multiply
    122,907,792.25x = 169,610,746.99 × 67,152,012.69
  4. Step 4: Simplify right side
    122,907,792.25x = 11,389,703,034,826,592
  5. Step 5: Solve for x
    x = 11,389,703,034,826,592/122,907,792.25
  6. Step 6: Final answer
    x = 92,668,681.34

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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.