Home / 190,288,903.80-285,433,355.70-132,893,275.80

Finding the Fourth Proportional to 190,288,903.80, 285,433,355.70 and 132,893,275.80

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Solution

The fourth proportional to 190,288,903.80, 285,433,355.70 and 132,893,275.80 is: 199,339,913.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,288,903.80 : 285,433,355.70 = 132,893,275.80 : x
  2. Step 2: Convert to fraction form
    190,288,903.80/285,433,355.70 = 132,893,275.80/x
  3. Step 3: Cross multiply
    190,288,903.80x = 285,433,355.70 × 132,893,275.80
  4. Step 4: Simplify right side
    190,288,903.80x = 37,932,173,661,559,600
  5. Step 5: Solve for x
    x = 37,932,173,661,559,600/190,288,903.80
  6. Step 6: Final answer
    x = 199,339,913.70

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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.