Home / 130,408,048.40-195,612,072.60-69,941,872.40

Finding the Fourth Proportional to 130,408,048.40, 195,612,072.60 and 69,941,872.40

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Solution

The fourth proportional to 130,408,048.40, 195,612,072.60 and 69,941,872.40 is: 104,912,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408,048.40 : 195,612,072.60 = 69,941,872.40 : x
  2. Step 2: Convert to fraction form
    130,408,048.40/195,612,072.60 = 69,941,872.40/x
  3. Step 3: Cross multiply
    130,408,048.40x = 195,612,072.60 × 69,941,872.40
  4. Step 4: Simplify right side
    130,408,048.40x = 13,681,474,621,688,736
  5. Step 5: Solve for x
    x = 13,681,474,621,688,736/130,408,048.40
  6. Step 6: Final answer
    x = 104,912,808.60

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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.