Home / 73,771,516.60-101,813,660.90-42,831,685.88

Finding the Fourth Proportional to 73,771,516.60, 101,813,660.90 and 42,831,685.88

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Solution

The fourth proportional to 73,771,516.60, 101,813,660.90 and 42,831,685.88 is: 59,112,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,771,516.60 : 101,813,660.90 = 42,831,685.88 : x
  2. Step 2: Convert to fraction form
    73,771,516.60/101,813,660.90 = 42,831,685.88/x
  3. Step 3: Cross multiply
    73,771,516.60x = 101,813,660.90 × 42,831,685.88
  4. Step 4: Simplify right side
    73,771,516.60x = 4,360,850,741,961,638.50
  5. Step 5: Solve for x
    x = 4,360,850,741,961,638.50/73,771,516.60
  6. Step 6: Final answer
    x = 59,112,933.32

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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.