Home / 70,057,325.83-105,096,017.97-21,539,253.89

Finding the Fourth Proportional to 70,057,325.83, 105,096,017.97 and 21,539,253.89

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Solution

The fourth proportional to 70,057,325.83, 105,096,017.97 and 21,539,253.89 is: 32,311,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,057,325.83 : 105,096,017.97 = 21,539,253.89 : x
  2. Step 2: Convert to fraction form
    70,057,325.83/105,096,017.97 = 21,539,253.89/x
  3. Step 3: Cross multiply
    70,057,325.83x = 105,096,017.97 × 21,539,253.89
  4. Step 4: Simplify right side
    70,057,325.83x = 2,263,689,813,883,832.50
  5. Step 5: Solve for x
    x = 2,263,689,813,883,832.50/70,057,325.83
  6. Step 6: Final answer
    x = 32,311,964.34

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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.