Home / 65,239,499,861.58-90,038,347,410.47-39,518,025,077.03

Finding the Fourth Proportional to 65,239,499,861.58, 90,038,347,410.47 and 39,518,025,077.03

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Solution

The fourth proportional to 65,239,499,861.58, 90,038,347,410.47 and 39,518,025,077.03 is: 54,539,622,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,239,499,861.58 : 90,038,347,410.47 = 39,518,025,077.03 : x
  2. Step 2: Convert to fraction form
    65,239,499,861.58/90,038,347,410.47 = 39,518,025,077.03/x
  3. Step 3: Cross multiply
    65,239,499,861.58x = 90,038,347,410.47 × 39,518,025,077.03
  4. Step 4: Simplify right side
    65,239,499,861.58x = 3,558,137,670,861,810,302,976
  5. Step 5: Solve for x
    x = 3,558,137,670,861,810,302,976/65,239,499,861.58
  6. Step 6: Final answer
    x = 54,539,622,137.06

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1.5x scale

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.