Home / 112,334,428.40-168,501,642.60-99,793,295.60

Finding the Fourth Proportional to 112,334,428.40, 168,501,642.60 and 99,793,295.60

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Solution

The fourth proportional to 112,334,428.40, 168,501,642.60 and 99,793,295.60 is: 149,689,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,428.40 : 168,501,642.60 = 99,793,295.60 : x
  2. Step 2: Convert to fraction form
    112,334,428.40/168,501,642.60 = 99,793,295.60/x
  3. Step 3: Cross multiply
    112,334,428.40x = 168,501,642.60 × 99,793,295.60
  4. Step 4: Simplify right side
    112,334,428.40x = 16,815,334,229,067,350
  5. Step 5: Solve for x
    x = 16,815,334,229,067,350/112,334,428.40
  6. Step 6: Final answer
    x = 149,689,943.40

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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.