Home / 140,471,919,490.34-193,851,392,364.09-76,242,657,040.90

Finding the Fourth Proportional to 140,471,919,490.34, 193,851,392,364.09 and 76,242,657,040.90

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Solution

The fourth proportional to 140,471,919,490.34, 193,851,392,364.09 and 76,242,657,040.90 is: 105,214,944,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,471,919,490.34 : 193,851,392,364.09 = 76,242,657,040.90 : x
  2. Step 2: Convert to fraction form
    140,471,919,490.34/193,851,392,364.09 = 76,242,657,040.90/x
  3. Step 3: Cross multiply
    140,471,919,490.34x = 193,851,392,364.09 × 76,242,657,040.90
  4. Step 4: Simplify right side
    140,471,919,490.34x = 14,779,745,224,915,477,856,256
  5. Step 5: Solve for x
    x = 14,779,745,224,915,477,856,256/140,471,919,490.34
  6. Step 6: Final answer
    x = 105,214,944,584.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.