Home / 108,629,218.72-149,911,162.93-59,072,490.80

Finding the Fourth Proportional to 108,629,218.72, 149,911,162.93 and 59,072,490.80

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Solution

The fourth proportional to 108,629,218.72, 149,911,162.93 and 59,072,490.80 is: 81,521,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,629,218.72 : 149,911,162.93 = 59,072,490.80 : x
  2. Step 2: Convert to fraction form
    108,629,218.72/149,911,162.93 = 59,072,490.80/x
  3. Step 3: Cross multiply
    108,629,218.72x = 149,911,162.93 × 59,072,490.80
  4. Step 4: Simplify right side
    108,629,218.72x = 8,855,625,792,999,726
  5. Step 5: Solve for x
    x = 8,855,625,792,999,726/108,629,218.72
  6. Step 6: Final answer
    x = 81,521,582.29

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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.