Home / 144,698,035.80-199,683,528.30-78,618,793.08

Finding the Fourth Proportional to 144,698,035.80, 199,683,528.30 and 78,618,793.08

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Solution

The fourth proportional to 144,698,035.80, 199,683,528.30 and 78,618,793.08 is: 108,494,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,698,035.80 : 199,683,528.30 = 78,618,793.08 : x
  2. Step 2: Convert to fraction form
    144,698,035.80/199,683,528.30 = 78,618,793.08/x
  3. Step 3: Cross multiply
    144,698,035.80x = 199,683,528.30 × 78,618,793.08
  4. Step 4: Simplify right side
    144,698,035.80x = 15,698,877,992,902,024
  5. Step 5: Solve for x
    x = 15,698,877,992,902,024/144,698,035.80
  6. Step 6: Final answer
    x = 108,494,064.25

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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.