Home / 112,890,941.12-155,856,283.38-71,110,821.20

Finding the Fourth Proportional to 112,890,941.12, 155,856,283.38 and 71,110,821.20

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Solution

The fourth proportional to 112,890,941.12, 155,856,283.38 and 71,110,821.20 is: 98,175,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,890,941.12 : 155,856,283.38 = 71,110,821.20 : x
  2. Step 2: Convert to fraction form
    112,890,941.12/155,856,283.38 = 71,110,821.20/x
  3. Step 3: Cross multiply
    112,890,941.12x = 155,856,283.38 × 71,110,821.20
  4. Step 4: Simplify right side
    112,890,941.12x = 11,083,068,300,331,712
  5. Step 5: Solve for x
    x = 11,083,068,300,331,712/112,890,941.12
  6. Step 6: Final answer
    x = 98,175,001.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.