Home / 260,701,038.21-390,990,936.77-97,015,881.61

Finding the Fourth Proportional to 260,701,038.21, 390,990,936.77 and 97,015,881.61

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Solution

The fourth proportional to 260,701,038.21, 390,990,936.77 and 97,015,881.61 is: 145,501,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,701,038.21 : 390,990,936.77 = 97,015,881.61 : x
  2. Step 2: Convert to fraction form
    260,701,038.21/390,990,936.77 = 97,015,881.61/x
  3. Step 3: Cross multiply
    260,701,038.21x = 390,990,936.77 × 97,015,881.61
  4. Step 4: Simplify right side
    260,701,038.21x = 37,932,330,432,261,312
  5. Step 5: Solve for x
    x = 37,932,330,432,261,312/260,701,038.21
  6. Step 6: Final answer
    x = 145,501,263.41

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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.