Home / 81,748,037.90-122,581,681.43-29,893,550.31

Finding the Fourth Proportional to 81,748,037.90, 122,581,681.43 and 29,893,550.31

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Solution

The fourth proportional to 81,748,037.90, 122,581,681.43 and 29,893,550.31 is: 44,825,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,748,037.90 : 122,581,681.43 = 29,893,550.31 : x
  2. Step 2: Convert to fraction form
    81,748,037.90/122,581,681.43 = 29,893,550.31/x
  3. Step 3: Cross multiply
    81,748,037.90x = 122,581,681.43 × 29,893,550.31
  4. Step 4: Simplify right side
    81,748,037.90x = 3,664,401,660,762,629.50
  5. Step 5: Solve for x
    x = 3,664,401,660,762,629.50/81,748,037.90
  6. Step 6: Final answer
    x = 44,825,561.01

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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.