Home / 77,381,777.64-115,896,203.04-37,020,812.52

Finding the Fourth Proportional to 77,381,777.64, 115,896,203.04 and 37,020,812.52

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Solution

The fourth proportional to 77,381,777.64, 115,896,203.04 and 37,020,812.52 is: 55,446,795.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381,777.64 : 115,896,203.04 = 37,020,812.52 : x
  2. Step 2: Convert to fraction form
    77,381,777.64/115,896,203.04 = 37,020,812.52/x
  3. Step 3: Cross multiply
    77,381,777.64x = 115,896,203.04 × 37,020,812.52
  4. Step 4: Simplify right side
    77,381,777.64x = 4,290,571,604,523,694.50
  5. Step 5: Solve for x
    x = 4,290,571,604,523,694.50/77,381,777.64
  6. Step 6: Final answer
    x = 55,446,795.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.