Home / 86,968,811.06-130,515,455.90-31,636,539.07

Finding the Fourth Proportional to 86,968,811.06, 130,515,455.90 and 31,636,539.07

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Solution

The fourth proportional to 86,968,811.06, 130,515,455.90 and 31,636,539.07 is: 47,477,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,968,811.06 : 130,515,455.90 = 31,636,539.07 : x
  2. Step 2: Convert to fraction form
    86,968,811.06/130,515,455.90 = 31,636,539.07/x
  3. Step 3: Cross multiply
    86,968,811.06x = 130,515,455.90 × 31,636,539.07
  4. Step 4: Simplify right side
    86,968,811.06x = 4,129,057,320,217,265.50
  5. Step 5: Solve for x
    x = 4,129,057,320,217,265.50/86,968,811.06
  6. Step 6: Final answer
    x = 47,477,449.33

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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.