Home / 155,323,763.28-214,351,348.72-84,763,929.33

Finding the Fourth Proportional to 155,323,763.28, 214,351,348.72 and 84,763,929.33

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Solution

The fourth proportional to 155,323,763.28, 214,351,348.72 and 84,763,929.33 is: 116,976,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,323,763.28 : 214,351,348.72 = 84,763,929.33 : x
  2. Step 2: Convert to fraction form
    155,323,763.28/214,351,348.72 = 84,763,929.33/x
  3. Step 3: Cross multiply
    155,323,763.28x = 214,351,348.72 × 84,763,929.33
  4. Step 4: Simplify right side
    155,323,763.28x = 18,169,262,574,692,264
  5. Step 5: Solve for x
    x = 18,169,262,574,692,264/155,323,763.28
  6. Step 6: Final answer
    x = 116,976,708.46

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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.