Home / 104,929,376.40-157,394,064.60-83,010,387.60

Finding the Fourth Proportional to 104,929,376.40, 157,394,064.60 and 83,010,387.60

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Solution

The fourth proportional to 104,929,376.40, 157,394,064.60 and 83,010,387.60 is: 124,515,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,929,376.40 : 157,394,064.60 = 83,010,387.60 : x
  2. Step 2: Convert to fraction form
    104,929,376.40/157,394,064.60 = 83,010,387.60/x
  3. Step 3: Cross multiply
    104,929,376.40x = 157,394,064.60 × 83,010,387.60
  4. Step 4: Simplify right side
    104,929,376.40x = 13,065,342,308,385,438
  5. Step 5: Solve for x
    x = 13,065,342,308,385,438/104,929,376.40
  6. Step 6: Final answer
    x = 124,515,581.40

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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.