Home / 147,743,999.60-221,615,999.40-144,720,690.80

Finding the Fourth Proportional to 147,743,999.60, 221,615,999.40 and 144,720,690.80

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Solution

The fourth proportional to 147,743,999.60, 221,615,999.40 and 144,720,690.80 is: 217,081,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,999.60 : 221,615,999.40 = 144,720,690.80 : x
  2. Step 2: Convert to fraction form
    147,743,999.60/221,615,999.40 = 144,720,690.80/x
  3. Step 3: Cross multiply
    147,743,999.60x = 221,615,999.40 × 144,720,690.80
  4. Step 4: Simplify right side
    147,743,999.60x = 32,072,420,525,500,388
  5. Step 5: Solve for x
    x = 32,072,420,525,500,388/147,743,999.60
  6. Step 6: Final answer
    x = 217,081,036.20

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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.