Home / 55,315,184,928.23-82,847,111,404.95-43,288,485,772.38

Finding the Fourth Proportional to 55,315,184,928.23, 82,847,111,404.95 and 43,288,485,772.38

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Solution

The fourth proportional to 55,315,184,928.23, 82,847,111,404.95 and 43,288,485,772.38 is: 64,834,385,132.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315,184,928.23 : 82,847,111,404.95 = 43,288,485,772.38 : x
  2. Step 2: Convert to fraction form
    55,315,184,928.23/82,847,111,404.95 = 43,288,485,772.38/x
  3. Step 3: Cross multiply
    55,315,184,928.23x = 82,847,111,404.95 × 43,288,485,772.38
  4. Step 4: Simplify right side
    55,315,184,928.23x = 3,586,326,003,335,411,269,632
  5. Step 5: Solve for x
    x = 3,586,326,003,335,411,269,632/55,315,184,928.23
  6. Step 6: Final answer
    x = 64,834,385,132.92

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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.