Home / 314,920,527.21-472,591,492.36-130,687,997.07

Finding the Fourth Proportional to 314,920,527.21, 472,591,492.36 and 130,687,997.07

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Solution

The fourth proportional to 314,920,527.21, 472,591,492.36 and 130,687,997.07 is: 196,119,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,920,527.21 : 472,591,492.36 = 130,687,997.07 : x
  2. Step 2: Convert to fraction form
    314,920,527.21/472,591,492.36 = 130,687,997.07/x
  3. Step 3: Cross multiply
    314,920,527.21x = 472,591,492.36 × 130,687,997.07
  4. Step 4: Simplify right side
    314,920,527.21x = 61,762,035,570,296,112
  5. Step 5: Solve for x
    x = 61,762,035,570,296,112/314,920,527.21
  6. Step 6: Final answer
    x = 196,119,434.06

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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.