Home / 86,056,918.08-129,112,665.24-30,723,565.98

Finding the Fourth Proportional to 86,056,918.08, 129,112,665.24 and 30,723,565.98

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Solution

The fourth proportional to 86,056,918.08, 129,112,665.24 and 30,723,565.98 is: 46,095,091.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056,918.08 : 129,112,665.24 = 30,723,565.98 : x
  2. Step 2: Convert to fraction form
    86,056,918.08/129,112,665.24 = 30,723,565.98/x
  3. Step 3: Cross multiply
    86,056,918.08x = 129,112,665.24 × 30,723,565.98
  4. Step 4: Simplify right side
    86,056,918.08x = 3,966,801,489,354,792.50
  5. Step 5: Solve for x
    x = 3,966,801,489,354,792.50/86,056,918.08
  6. Step 6: Final answer
    x = 46,095,091.22

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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.