Home / 268,099,630.39-402,149,467.47-86,346,808.39

Finding the Fourth Proportional to 268,099,630.39, 402,149,467.47 and 86,346,808.39

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Solution

The fourth proportional to 268,099,630.39, 402,149,467.47 and 86,346,808.39 is: 129,520,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,099,630.39 : 402,149,467.47 = 86,346,808.39 : x
  2. Step 2: Convert to fraction form
    268,099,630.39/402,149,467.47 = 86,346,808.39/x
  3. Step 3: Cross multiply
    268,099,630.39x = 402,149,467.47 × 86,346,808.39
  4. Step 4: Simplify right side
    268,099,630.39x = 34,724,323,011,772,632
  5. Step 5: Solve for x
    x = 34,724,323,011,772,632/268,099,630.39
  6. Step 6: Final answer
    x = 129,520,219.63

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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.