Home / 51,518,905.40-77,212,002.90-39,492,025.40

Finding the Fourth Proportional to 51,518,905.40, 77,212,002.90 and 39,492,025.40

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Solution

The fourth proportional to 51,518,905.40, 77,212,002.90 and 39,492,025.40 is: 59,187,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518,905.40 : 77,212,002.90 = 39,492,025.40 : x
  2. Step 2: Convert to fraction form
    51,518,905.40/77,212,002.90 = 39,492,025.40/x
  3. Step 3: Cross multiply
    51,518,905.40x = 77,212,002.90 × 39,492,025.40
  4. Step 4: Simplify right side
    51,518,905.40x = 3,049,258,379,711,674
  5. Step 5: Solve for x
    x = 3,049,258,379,711,674/51,518,905.40
  6. Step 6: Final answer
    x = 59,187,173.25

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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.