Home / 112,048,886.80-168,073,330.20-68,777,779.60

Finding the Fourth Proportional to 112,048,886.80, 168,073,330.20 and 68,777,779.60

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Solution

The fourth proportional to 112,048,886.80, 168,073,330.20 and 68,777,779.60 is: 103,166,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,048,886.80 : 168,073,330.20 = 68,777,779.60 : x
  2. Step 2: Convert to fraction form
    112,048,886.80/168,073,330.20 = 68,777,779.60/x
  3. Step 3: Cross multiply
    112,048,886.80x = 168,073,330.20 × 68,777,779.60
  4. Step 4: Simplify right side
    112,048,886.80x = 11,559,710,461,133,622
  5. Step 5: Solve for x
    x = 11,559,710,461,133,622/112,048,886.80
  6. Step 6: Final answer
    x = 103,166,669.40

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1.5x scale

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.