Home / 118,759,315.20-163,885,079.04-69,869,890.56

Finding the Fourth Proportional to 118,759,315.20, 163,885,079.04 and 69,869,890.56

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Solution

The fourth proportional to 118,759,315.20, 163,885,079.04 and 69,869,890.56 is: 96,418,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,759,315.20 : 163,885,079.04 = 69,869,890.56 : x
  2. Step 2: Convert to fraction form
    118,759,315.20/163,885,079.04 = 69,869,890.56/x
  3. Step 3: Cross multiply
    118,759,315.20x = 163,885,079.04 × 69,869,890.56
  4. Step 4: Simplify right side
    118,759,315.20x = 11,450,632,536,941,750
  5. Step 5: Solve for x
    x = 11,450,632,536,941,750/118,759,315.20
  6. Step 6: Final answer
    x = 96,418,815.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.