Home / 82,730,235.60-124,095,353.40-76,494,661.20

Finding the Fourth Proportional to 82,730,235.60, 124,095,353.40 and 76,494,661.20

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Solution

The fourth proportional to 82,730,235.60, 124,095,353.40 and 76,494,661.20 is: 114,741,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,730,235.60 : 124,095,353.40 = 76,494,661.20 : x
  2. Step 2: Convert to fraction form
    82,730,235.60/124,095,353.40 = 76,494,661.20/x
  3. Step 3: Cross multiply
    82,730,235.60x = 124,095,353.40 × 76,494,661.20
  4. Step 4: Simplify right side
    82,730,235.60x = 9,492,632,014,827,268
  5. Step 5: Solve for x
    x = 9,492,632,014,827,268/82,730,235.60
  6. Step 6: Final answer
    x = 114,741,991.80

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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.