Home / 76,687,795.37-105,829,998.80-41,881,509.95

Finding the Fourth Proportional to 76,687,795.37, 105,829,998.80 and 41,881,509.95

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Solution

The fourth proportional to 76,687,795.37, 105,829,998.80 and 41,881,509.95 is: 57,796,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,687,795.37 : 105,829,998.80 = 41,881,509.95 : x
  2. Step 2: Convert to fraction form
    76,687,795.37/105,829,998.80 = 41,881,509.95/x
  3. Step 3: Cross multiply
    76,687,795.37x = 105,829,998.80 × 41,881,509.95
  4. Step 4: Simplify right side
    76,687,795.37x = 4,432,320,147,012,130.50
  5. Step 5: Solve for x
    x = 4,432,320,147,012,130.50/76,687,795.37
  6. Step 6: Final answer
    x = 57,796,943.12

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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.