Home / 86,370,626.51-129,555,939.77-28,862,897.67

Finding the Fourth Proportional to 86,370,626.51, 129,555,939.77 and 28,862,897.67

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Solution

The fourth proportional to 86,370,626.51, 129,555,939.77 and 28,862,897.67 is: 43,294,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,370,626.51 : 129,555,939.77 = 28,862,897.67 : x
  2. Step 2: Convert to fraction form
    86,370,626.51/129,555,939.77 = 28,862,897.67/x
  3. Step 3: Cross multiply
    86,370,626.51x = 129,555,939.77 × 28,862,897.67
  4. Step 4: Simplify right side
    86,370,626.51x = 3,739,359,832,122,193.50
  5. Step 5: Solve for x
    x = 3,739,359,832,122,193.50/86,370,626.51
  6. Step 6: Final answer
    x = 43,294,346.51

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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.