Home / 191,030,372.80-263,622,802.08-108,528,683.20

Finding the Fourth Proportional to 191,030,372.80, 263,622,802.08 and 108,528,683.20

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Solution

The fourth proportional to 191,030,372.80, 263,622,802.08 and 108,528,683.20 is: 149,770,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,030,372.80 : 263,622,802.08 = 108,528,683.20 : x
  2. Step 2: Convert to fraction form
    191,030,372.80/263,622,802.08 = 108,528,683.20/x
  3. Step 3: Cross multiply
    191,030,372.80x = 263,622,802.08 × 108,528,683.20
  4. Step 4: Simplify right side
    191,030,372.80x = 28,610,635,571,236,624
  5. Step 5: Solve for x
    x = 28,610,635,571,236,624/191,030,372.80
  6. Step 6: Final answer
    x = 149,770,087.09

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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.