Home / 86,056,911.36-129,112,655.15-30,723,559.25

Finding the Fourth Proportional to 86,056,911.36, 129,112,655.15 and 30,723,559.25

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Solution

The fourth proportional to 86,056,911.36, 129,112,655.15 and 30,723,559.25 is: 46,095,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,911.36 : 129,112,655.15 = 30,723,559.25 : x
  2. Step 2: Convert to fraction form
    86,056,911.36/129,112,655.15 = 30,723,559.25/x
  3. Step 3: Cross multiply
    86,056,911.36x = 129,112,655.15 × 30,723,559.25
  4. Step 4: Simplify right side
    86,056,911.36x = 3,966,800,309,626,661.50
  5. Step 5: Solve for x
    x = 3,966,800,309,626,661.50/86,056,911.36
  6. Step 6: Final answer
    x = 46,095,081.11

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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.