Home / 69,721,880.40-104,582,820.60-57,605,025.60

Finding the Fourth Proportional to 69,721,880.40, 104,582,820.60 and 57,605,025.60

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Solution

The fourth proportional to 69,721,880.40, 104,582,820.60 and 57,605,025.60 is: 86,407,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,721,880.40 : 104,582,820.60 = 57,605,025.60 : x
  2. Step 2: Convert to fraction form
    69,721,880.40/104,582,820.60 = 57,605,025.60/x
  3. Step 3: Cross multiply
    69,721,880.40x = 104,582,820.60 × 57,605,025.60
  4. Step 4: Simplify right side
    69,721,880.40x = 6,024,496,057,983,207
  5. Step 5: Solve for x
    x = 6,024,496,057,983,207/69,721,880.40
  6. Step 6: Final answer
    x = 86,407,538.40

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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.