Home / 65,345,419.20-98,018,128.80-43,846,334.40

Finding the Fourth Proportional to 65,345,419.20, 98,018,128.80 and 43,846,334.40

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Solution

The fourth proportional to 65,345,419.20, 98,018,128.80 and 43,846,334.40 is: 65,769,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,345,419.20 : 98,018,128.80 = 43,846,334.40 : x
  2. Step 2: Convert to fraction form
    65,345,419.20/98,018,128.80 = 43,846,334.40/x
  3. Step 3: Cross multiply
    65,345,419.20x = 98,018,128.80 × 43,846,334.40
  4. Step 4: Simplify right side
    65,345,419.20x = 4,297,735,652,627,070.50
  5. Step 5: Solve for x
    x = 4,297,735,652,627,070.50/65,345,419.20
  6. Step 6: Final answer
    x = 65,769,501.60

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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.