Home / 86,003,719.70-129,042,904.35-43,453,447.70

Finding the Fourth Proportional to 86,003,719.70, 129,042,904.35 and 43,453,447.70

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Solution

The fourth proportional to 86,003,719.70, 129,042,904.35 and 43,453,447.70 is: 65,199,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,003,719.70 : 129,042,904.35 = 43,453,447.70 : x
  2. Step 2: Convert to fraction form
    86,003,719.70/129,042,904.35 = 43,453,447.70/x
  3. Step 3: Cross multiply
    86,003,719.70x = 129,042,904.35 × 43,453,447.70
  4. Step 4: Simplify right side
    86,003,719.70x = 5,607,359,095,228,828
  5. Step 5: Solve for x
    x = 5,607,359,095,228,828/86,003,719.70
  6. Step 6: Final answer
    x = 65,199,029.93

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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.