Home / 86,662,548.57-130,008,437.47-29,141,146.20

Finding the Fourth Proportional to 86,662,548.57, 130,008,437.47 and 29,141,146.20

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Solution

The fourth proportional to 86,662,548.57, 130,008,437.47 and 29,141,146.20 is: 43,716,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,662,548.57 : 130,008,437.47 = 29,141,146.20 : x
  2. Step 2: Convert to fraction form
    86,662,548.57/130,008,437.47 = 29,141,146.20/x
  3. Step 3: Cross multiply
    86,662,548.57x = 130,008,437.47 × 29,141,146.20
  4. Step 4: Simplify right side
    86,662,548.57x = 3,788,594,884,070,786
  5. Step 5: Solve for x
    x = 3,788,594,884,070,786/86,662,548.57
  6. Step 6: Final answer
    x = 43,716,633.61

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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.