Home / 145,698,833.80-218,520,257.10-43,466,206.60

Finding the Fourth Proportional to 145,698,833.80, 218,520,257.10 and 43,466,206.60

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Solution

The fourth proportional to 145,698,833.80, 218,520,257.10 and 43,466,206.60 is: 65,190,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,698,833.80 : 218,520,257.10 = 43,466,206.60 : x
  2. Step 2: Convert to fraction form
    145,698,833.80/218,520,257.10 = 43,466,206.60/x
  3. Step 3: Cross multiply
    145,698,833.80x = 218,520,257.10 × 43,466,206.60
  4. Step 4: Simplify right side
    145,698,833.80x = 9,498,246,641,393,716
  5. Step 5: Solve for x
    x = 9,498,246,641,393,716/145,698,833.80
  6. Step 6: Final answer
    x = 65,190,958.59

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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.