Home / 127,548,293.40-191,322,440.10-70,217,400.60

Finding the Fourth Proportional to 127,548,293.40, 191,322,440.10 and 70,217,400.60

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Solution

The fourth proportional to 127,548,293.40, 191,322,440.10 and 70,217,400.60 is: 105,326,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,548,293.40 : 191,322,440.10 = 70,217,400.60 : x
  2. Step 2: Convert to fraction form
    127,548,293.40/191,322,440.10 = 70,217,400.60/x
  3. Step 3: Cross multiply
    127,548,293.40x = 191,322,440.10 × 70,217,400.60
  4. Step 4: Simplify right side
    127,548,293.40x = 13,434,164,420,271,202
  5. Step 5: Solve for x
    x = 13,434,164,420,271,202/127,548,293.40
  6. Step 6: Final answer
    x = 105,326,100.90

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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.