Home / 82,619,411.60-123,929,117.40-28,766,723.60

Finding the Fourth Proportional to 82,619,411.60, 123,929,117.40 and 28,766,723.60

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Solution

The fourth proportional to 82,619,411.60, 123,929,117.40 and 28,766,723.60 is: 43,150,085.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,619,411.60 : 123,929,117.40 = 28,766,723.60 : x
  2. Step 2: Convert to fraction form
    82,619,411.60/123,929,117.40 = 28,766,723.60/x
  3. Step 3: Cross multiply
    82,619,411.60x = 123,929,117.40 × 28,766,723.60
  4. Step 4: Simplify right side
    82,619,411.60x = 3,565,034,666,237,751
  5. Step 5: Solve for x
    x = 3,565,034,666,237,751/82,619,411.60
  6. Step 6: Final answer
    x = 43,150,085.40

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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.