Home / 340,111,622.40-510,167,433.60-145,990,003.20

Finding the Fourth Proportional to 340,111,622.40, 510,167,433.60 and 145,990,003.20

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Solution

The fourth proportional to 340,111,622.40, 510,167,433.60 and 145,990,003.20 is: 218,985,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,111,622.40 : 510,167,433.60 = 145,990,003.20 : x
  2. Step 2: Convert to fraction form
    340,111,622.40/510,167,433.60 = 145,990,003.20/x
  3. Step 3: Cross multiply
    340,111,622.40x = 510,167,433.60 × 145,990,003.20
  4. Step 4: Simplify right side
    340,111,622.40x = 74,479,345,263,799,792
  5. Step 5: Solve for x
    x = 74,479,345,263,799,792/340,111,622.40
  6. Step 6: Final answer
    x = 218,985,004.80

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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.