Home / 72,789,948,015.40-109,184,922,023.10-59,565,995,324.20

Finding the Fourth Proportional to 72,789,948,015.40, 109,184,922,023.10 and 59,565,995,324.20

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Solution

The fourth proportional to 72,789,948,015.40, 109,184,922,023.10 and 59,565,995,324.20 is: 89,348,992,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,789,948,015.40 : 109,184,922,023.10 = 59,565,995,324.20 : x
  2. Step 2: Convert to fraction form
    72,789,948,015.40/109,184,922,023.10 = 59,565,995,324.20/x
  3. Step 3: Cross multiply
    72,789,948,015.40x = 109,184,922,023.10 × 59,565,995,324.20
  4. Step 4: Simplify right side
    72,789,948,015.40x = 6,503,708,554,701,116,014,592
  5. Step 5: Solve for x
    x = 6,503,708,554,701,116,014,592/72,789,948,015.40
  6. Step 6: Final answer
    x = 89,348,992,986.30

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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.