Home / 127,790,262.80-191,685,394.20-51,168,280.40

Finding the Fourth Proportional to 127,790,262.80, 191,685,394.20 and 51,168,280.40

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Solution

The fourth proportional to 127,790,262.80, 191,685,394.20 and 51,168,280.40 is: 76,752,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,790,262.80 : 191,685,394.20 = 51,168,280.40 : x
  2. Step 2: Convert to fraction form
    127,790,262.80/191,685,394.20 = 51,168,280.40/x
  3. Step 3: Cross multiply
    127,790,262.80x = 191,685,394.20 × 51,168,280.40
  4. Step 4: Simplify right side
    127,790,262.80x = 9,808,211,999,010,132
  5. Step 5: Solve for x
    x = 9,808,211,999,010,132/127,790,262.80
  6. Step 6: Final answer
    x = 76,752,420.60

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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.