Home / 82,784,558.40-124,176,837.60-74,722,401.60

Finding the Fourth Proportional to 82,784,558.40, 124,176,837.60 and 74,722,401.60

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Solution

The fourth proportional to 82,784,558.40, 124,176,837.60 and 74,722,401.60 is: 112,083,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,784,558.40 : 124,176,837.60 = 74,722,401.60 : x
  2. Step 2: Convert to fraction form
    82,784,558.40/124,176,837.60 = 74,722,401.60/x
  3. Step 3: Cross multiply
    82,784,558.40x = 124,176,837.60 × 74,722,401.60
  4. Step 4: Simplify right side
    82,784,558.40x = 9,278,791,528,565,178
  5. Step 5: Solve for x
    x = 9,278,791,528,565,178/82,784,558.40
  6. Step 6: Final answer
    x = 112,083,602.40

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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.