Home / 82,984,673.20-124,477,009.80-74,765,052.40

Finding the Fourth Proportional to 82,984,673.20, 124,477,009.80 and 74,765,052.40

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Solution

The fourth proportional to 82,984,673.20, 124,477,009.80 and 74,765,052.40 is: 112,147,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,984,673.20 : 124,477,009.80 = 74,765,052.40 : x
  2. Step 2: Convert to fraction form
    82,984,673.20/124,477,009.80 = 74,765,052.40/x
  3. Step 3: Cross multiply
    82,984,673.20x = 124,477,009.80 × 74,765,052.40
  4. Step 4: Simplify right side
    82,984,673.20x = 9,306,530,160,292,314
  5. Step 5: Solve for x
    x = 9,306,530,160,292,314/82,984,673.20
  6. Step 6: Final answer
    x = 112,147,578.60

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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.