Home / 45,986,800.40-68,980,200.60-38,908,912.40

Finding the Fourth Proportional to 45,986,800.40, 68,980,200.60 and 38,908,912.40

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Solution

The fourth proportional to 45,986,800.40, 68,980,200.60 and 38,908,912.40 is: 58,363,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986,800.40 : 68,980,200.60 = 38,908,912.40 : x
  2. Step 2: Convert to fraction form
    45,986,800.40/68,980,200.60 = 38,908,912.40/x
  3. Step 3: Cross multiply
    45,986,800.40x = 68,980,200.60 × 38,908,912.40
  4. Step 4: Simplify right side
    45,986,800.40x = 2,683,944,582,479,827
  5. Step 5: Solve for x
    x = 2,683,944,582,479,827/45,986,800.40
  6. Step 6: Final answer
    x = 58,363,368.60

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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.