Home / 71,047,876.40-106,571,814.60-38,687,274.80

Finding the Fourth Proportional to 71,047,876.40, 106,571,814.60 and 38,687,274.80

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Solution

The fourth proportional to 71,047,876.40, 106,571,814.60 and 38,687,274.80 is: 58,030,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,047,876.40 : 106,571,814.60 = 38,687,274.80 : x
  2. Step 2: Convert to fraction form
    71,047,876.40/106,571,814.60 = 38,687,274.80/x
  3. Step 3: Cross multiply
    71,047,876.40x = 106,571,814.60 × 38,687,274.80
  4. Step 4: Simplify right side
    71,047,876.40x = 4,122,973,077,364,851.50
  5. Step 5: Solve for x
    x = 4,122,973,077,364,851.50/71,047,876.40
  6. Step 6: Final answer
    x = 58,030,912.20

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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.