Home / 86,056,395.93-129,122,713.31-45,106,103.07

Finding the Fourth Proportional to 86,056,395.93, 129,122,713.31 and 45,106,103.07

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Solution

The fourth proportional to 86,056,395.93, 129,122,713.31 and 45,106,103.07 is: 67,679,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,395.93 : 129,122,713.31 = 45,106,103.07 : x
  2. Step 2: Convert to fraction form
    86,056,395.93/129,122,713.31 = 45,106,103.07/x
  3. Step 3: Cross multiply
    86,056,395.93x = 129,122,713.31 × 45,106,103.07
  4. Step 4: Simplify right side
    86,056,395.93x = 5,824,222,415,013,391
  5. Step 5: Solve for x
    x = 5,824,222,415,013,391/86,056,395.93
  6. Step 6: Final answer
    x = 67,679,134.74

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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.