Home / 76,645,401.60-114,968,102.40-49,435,622.40

Finding the Fourth Proportional to 76,645,401.60, 114,968,102.40 and 49,435,622.40

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Solution

The fourth proportional to 76,645,401.60, 114,968,102.40 and 49,435,622.40 is: 74,153,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,645,401.60 : 114,968,102.40 = 49,435,622.40 : x
  2. Step 2: Convert to fraction form
    76,645,401.60/114,968,102.40 = 49,435,622.40/x
  3. Step 3: Cross multiply
    76,645,401.60x = 114,968,102.40 × 49,435,622.40
  4. Step 4: Simplify right side
    76,645,401.60x = 5,683,519,698,290,934
  5. Step 5: Solve for x
    x = 5,683,519,698,290,934/76,645,401.60
  6. Step 6: Final answer
    x = 74,153,433.60

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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.