Home / 75,806,376.85-104,617,583.54-42,754,566.61

Finding the Fourth Proportional to 75,806,376.85, 104,617,583.54 and 42,754,566.61

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Solution

The fourth proportional to 75,806,376.85, 104,617,583.54 and 42,754,566.61 is: 59,003,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,806,376.85 : 104,617,583.54 = 42,754,566.61 : x
  2. Step 2: Convert to fraction form
    75,806,376.85/104,617,583.54 = 42,754,566.61/x
  3. Step 3: Cross multiply
    75,806,376.85x = 104,617,583.54 × 42,754,566.61
  4. Step 4: Simplify right side
    75,806,376.85x = 4,472,879,444,038,170
  5. Step 5: Solve for x
    x = 4,472,879,444,038,170/75,806,376.85
  6. Step 6: Final answer
    x = 59,003,999.79

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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.