Home / 219,440,508.12-302,830,831.26-120,321,004.32

Finding the Fourth Proportional to 219,440,508.12, 302,830,831.26 and 120,321,004.32

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Solution

The fourth proportional to 219,440,508.12, 302,830,831.26 and 120,321,004.32 is: 166,044,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,440,508.12 : 302,830,831.26 = 120,321,004.32 : x
  2. Step 2: Convert to fraction form
    219,440,508.12/302,830,831.26 = 120,321,004.32/x
  3. Step 3: Cross multiply
    219,440,508.12x = 302,830,831.26 × 120,321,004.32
  4. Step 4: Simplify right side
    219,440,508.12x = 36,436,909,756,263,648
  5. Step 5: Solve for x
    x = 36,436,909,756,263,648/219,440,508.12
  6. Step 6: Final answer
    x = 166,044,592.53

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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.