Home / 112,334,441.40-168,501,662.10-99,793,308.60

Finding the Fourth Proportional to 112,334,441.40, 168,501,662.10 and 99,793,308.60

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Solution

The fourth proportional to 112,334,441.40, 168,501,662.10 and 99,793,308.60 is: 149,689,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,441.40 : 168,501,662.10 = 99,793,308.60 : x
  2. Step 2: Convert to fraction form
    112,334,441.40/168,501,662.10 = 99,793,308.60/x
  3. Step 3: Cross multiply
    112,334,441.40x = 168,501,662.10 × 99,793,308.60
  4. Step 4: Simplify right side
    112,334,441.40x = 16,815,338,365,558,222
  5. Step 5: Solve for x
    x = 16,815,338,365,558,222/112,334,441.40
  6. Step 6: Final answer
    x = 149,689,962.90

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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.