Home / 43,453,901.70-65,180,852.55-42,782,055.30

Finding the Fourth Proportional to 43,453,901.70, 65,180,852.55 and 42,782,055.30

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Solution

The fourth proportional to 43,453,901.70, 65,180,852.55 and 42,782,055.30 is: 64,173,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453,901.70 : 65,180,852.55 = 42,782,055.30 : x
  2. Step 2: Convert to fraction form
    43,453,901.70/65,180,852.55 = 42,782,055.30/x
  3. Step 3: Cross multiply
    43,453,901.70x = 65,180,852.55 × 42,782,055.30
  4. Step 4: Simplify right side
    43,453,901.70x = 2,788,570,838,295,245.50
  5. Step 5: Solve for x
    x = 2,788,570,838,295,245.50/43,453,901.70
  6. Step 6: Final answer
    x = 64,173,082.95

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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.