Home / 189,064,173.34-260,909,696.55-105,437,583.46

Finding the Fourth Proportional to 189,064,173.34, 260,909,696.55 and 105,437,583.46

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Solution

The fourth proportional to 189,064,173.34, 260,909,696.55 and 105,437,583.46 is: 145,504,499.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,064,173.34 : 260,909,696.55 = 105,437,583.46 : x
  2. Step 2: Convert to fraction form
    189,064,173.34/260,909,696.55 = 105,437,583.46/x
  3. Step 3: Cross multiply
    189,064,173.34x = 260,909,696.55 × 105,437,583.46
  4. Step 4: Simplify right side
    189,064,173.34x = 27,509,687,905,513,900
  5. Step 5: Solve for x
    x = 27,509,687,905,513,900/189,064,173.34
  6. Step 6: Final answer
    x = 145,504,499.45

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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.