Home / 55,315,184,931.24-82,847,111,409.45-43,288,485,775.38

Finding the Fourth Proportional to 55,315,184,931.24, 82,847,111,409.45 and 43,288,485,775.38

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Solution

The fourth proportional to 55,315,184,931.24, 82,847,111,409.45 and 43,288,485,775.38 is: 64,834,385,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,315,184,931.24 : 82,847,111,409.45 = 43,288,485,775.38 : x
  2. Step 2: Convert to fraction form
    55,315,184,931.24/82,847,111,409.45 = 43,288,485,775.38/x
  3. Step 3: Cross multiply
    55,315,184,931.24x = 82,847,111,409.45 × 43,288,485,775.38
  4. Step 4: Simplify right side
    55,315,184,931.24x = 3,586,326,003,779,298,131,968
  5. Step 5: Solve for x
    x = 3,586,326,003,779,298,131,968/55,315,184,931.24
  6. Step 6: Final answer
    x = 64,834,385,137.41

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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.