Home / 148,158,002.80-222,237,004.20-127,750,668.40

Finding the Fourth Proportional to 148,158,002.80, 222,237,004.20 and 127,750,668.40

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Solution

The fourth proportional to 148,158,002.80, 222,237,004.20 and 127,750,668.40 is: 191,626,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,158,002.80 : 222,237,004.20 = 127,750,668.40 : x
  2. Step 2: Convert to fraction form
    148,158,002.80/222,237,004.20 = 127,750,668.40/x
  3. Step 3: Cross multiply
    148,158,002.80x = 222,237,004.20 × 127,750,668.40
  4. Step 4: Simplify right side
    148,158,002.80x = 28,390,925,829,763,608
  5. Step 5: Solve for x
    x = 28,390,925,829,763,608/148,158,002.80
  6. Step 6: Final answer
    x = 191,626,002.60

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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.