Home / 86,271,115.14-129,470,943.21-63,301,405.01

Finding the Fourth Proportional to 86,271,115.14, 129,470,943.21 and 63,301,405.01

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Solution

The fourth proportional to 86,271,115.14, 129,470,943.21 and 63,301,405.01 is: 94,999,265.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,271,115.14 : 129,470,943.21 = 63,301,405.01 : x
  2. Step 2: Convert to fraction form
    86,271,115.14/129,470,943.21 = 63,301,405.01/x
  3. Step 3: Cross multiply
    86,271,115.14x = 129,470,943.21 × 63,301,405.01
  4. Step 4: Simplify right side
    86,271,115.14x = 8,195,692,612,839,242
  5. Step 5: Solve for x
    x = 8,195,692,612,839,242/86,271,115.14
  6. Step 6: Final answer
    x = 94,999,265.97

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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.