Home / 82,790,400.80-124,163,482.80-28,932,096.80

Finding the Fourth Proportional to 82,790,400.80, 124,163,482.80 and 28,932,096.80

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Solution

The fourth proportional to 82,790,400.80, 124,163,482.80 and 28,932,096.80 is: 43,390,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790,400.80 : 124,163,482.80 = 28,932,096.80 : x
  2. Step 2: Convert to fraction form
    82,790,400.80/124,163,482.80 = 28,932,096.80/x
  3. Step 3: Cross multiply
    82,790,400.80x = 124,163,482.80 × 28,932,096.80
  4. Step 4: Simplify right side
    82,790,400.80x = 3,592,309,903,394,735
  5. Step 5: Solve for x
    x = 3,592,309,903,394,735/82,790,400.80
  6. Step 6: Final answer
    x = 43,390,415.66

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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.