Home / 127,692,023.10-191,538,034.65-76,673,687.10

Finding the Fourth Proportional to 127,692,023.10, 191,538,034.65 and 76,673,687.10

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Solution

The fourth proportional to 127,692,023.10, 191,538,034.65 and 76,673,687.10 is: 115,010,530.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,023.10 : 191,538,034.65 = 76,673,687.10 : x
  2. Step 2: Convert to fraction form
    127,692,023.10/191,538,034.65 = 76,673,687.10/x
  3. Step 3: Cross multiply
    127,692,023.10x = 191,538,034.65 × 76,673,687.10
  4. Step 4: Simplify right side
    127,692,023.10x = 14,685,927,336,503,058
  5. Step 5: Solve for x
    x = 14,685,927,336,503,058/127,692,023.10
  6. Step 6: Final answer
    x = 115,010,530.65

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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.