Home / 209,835,999.60-314,753,999.40-66,228,831.60

Finding the Fourth Proportional to 209,835,999.60, 314,753,999.40 and 66,228,831.60

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Solution

The fourth proportional to 209,835,999.60, 314,753,999.40 and 66,228,831.60 is: 99,343,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,835,999.60 : 314,753,999.40 = 66,228,831.60 : x
  2. Step 2: Convert to fraction form
    209,835,999.60/314,753,999.40 = 66,228,831.60/x
  3. Step 3: Cross multiply
    209,835,999.60x = 314,753,999.40 × 66,228,831.60
  4. Step 4: Simplify right side
    209,835,999.60x = 20,845,789,621,689,100
  5. Step 5: Solve for x
    x = 20,845,789,621,689,100/209,835,999.60
  6. Step 6: Final answer
    x = 99,343,247.40

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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.