Home / 201,852,366.86-278,556,378.23-109,032,875.21

Finding the Fourth Proportional to 201,852,366.86, 278,556,378.23 and 109,032,875.21

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Solution

The fourth proportional to 201,852,366.86, 278,556,378.23 and 109,032,875.21 is: 150,465,428.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,852,366.86 : 278,556,378.23 = 109,032,875.21 : x
  2. Step 2: Convert to fraction form
    201,852,366.86/278,556,378.23 = 109,032,875.21/x
  3. Step 3: Cross multiply
    201,852,366.86x = 278,556,378.23 × 109,032,875.21
  4. Step 4: Simplify right side
    201,852,366.86x = 30,371,802,826,501,152
  5. Step 5: Solve for x
    x = 30,371,802,826,501,152/201,852,366.86
  6. Step 6: Final answer
    x = 150,465,428.27

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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.