Home / 86,877,037.80-130,313,564.10-43,734,655.80

Finding the Fourth Proportional to 86,877,037.80, 130,313,564.10 and 43,734,655.80

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Solution

The fourth proportional to 86,877,037.80, 130,313,564.10 and 43,734,655.80 is: 65,600,980.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,877,037.80 : 130,313,564.10 = 43,734,655.80 : x
  2. Step 2: Convert to fraction form
    86,877,037.80/130,313,564.10 = 43,734,655.80/x
  3. Step 3: Cross multiply
    86,877,037.80x = 130,313,564.10 × 43,734,655.80
  4. Step 4: Simplify right side
    86,877,037.80x = 5,699,218,871,984,736
  5. Step 5: Solve for x
    x = 5,699,218,871,984,736/86,877,037.80
  6. Step 6: Final answer
    x = 65,600,980.61

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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.