Home / 81,791,056.74-112,871,975.40-44,622,172.02

Finding the Fourth Proportional to 81,791,056.74, 112,871,975.40 and 44,622,172.02

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Solution

The fourth proportional to 81,791,056.74, 112,871,975.40 and 44,622,172.02 is: 61,578,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,791,056.74 : 112,871,975.40 = 44,622,172.02 : x
  2. Step 2: Convert to fraction form
    81,791,056.74/112,871,975.40 = 44,622,172.02/x
  3. Step 3: Cross multiply
    81,791,056.74x = 112,871,975.40 × 44,622,172.02
  4. Step 4: Simplify right side
    81,791,056.74x = 5,036,592,702,536,009
  5. Step 5: Solve for x
    x = 5,036,592,702,536,009/81,791,056.74
  6. Step 6: Final answer
    x = 61,578,770.38

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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.