Home / 70,896,825.20-106,345,237.80-40,285,823.60

Finding the Fourth Proportional to 70,896,825.20, 106,345,237.80 and 40,285,823.60

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Solution

The fourth proportional to 70,896,825.20, 106,345,237.80 and 40,285,823.60 is: 60,428,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896,825.20 : 106,345,237.80 = 40,285,823.60 : x
  2. Step 2: Convert to fraction form
    70,896,825.20/106,345,237.80 = 40,285,823.60/x
  3. Step 3: Cross multiply
    70,896,825.20x = 106,345,237.80 × 40,285,823.60
  4. Step 4: Simplify right side
    70,896,825.20x = 4,284,205,490,710,852
  5. Step 5: Solve for x
    x = 4,284,205,490,710,852/70,896,825.20
  6. Step 6: Final answer
    x = 60,428,735.40

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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.