Home / 124,637,653-171,996,792.42-69,633,922.60

Finding the Fourth Proportional to 124,637,653, 171,996,792.42 and 69,633,922.60

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Solution

The fourth proportional to 124,637,653, 171,996,792.42 and 69,633,922.60 is: 96,093,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,637,653 : 171,996,792.42 = 69,633,922.60 : x
  2. Step 2: Convert to fraction form
    124,637,653/171,996,792.42 = 69,633,922.60/x
  3. Step 3: Cross multiply
    124,637,653x = 171,996,792.42 × 69,633,922.60
  4. Step 4: Simplify right side
    124,637,653x = 11,976,811,330,822,544
  5. Step 5: Solve for x
    x = 11,976,811,330,822,544/124,637,653
  6. Step 6: Final answer
    x = 96,093,042.85

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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.