Home / 86,957,732.54-130,457,952.57-43,259,109.50

Finding the Fourth Proportional to 86,957,732.54, 130,457,952.57 and 43,259,109.50

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Solution

The fourth proportional to 86,957,732.54, 130,457,952.57 and 43,259,109.50 is: 64,899,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,957,732.54 : 130,457,952.57 = 43,259,109.50 : x
  2. Step 2: Convert to fraction form
    86,957,732.54/130,457,952.57 = 43,259,109.50/x
  3. Step 3: Cross multiply
    86,957,732.54x = 130,457,952.57 × 43,259,109.50
  4. Step 4: Simplify right side
    86,957,732.54x = 5,643,494,854,719,146
  5. Step 5: Solve for x
    x = 5,643,494,854,719,146/86,957,732.54
  6. Step 6: Final answer
    x = 64,899,287.16

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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.