Home / 141,780,951,477.95-195,658,302,531.85-76,675,378,769.56

Finding the Fourth Proportional to 141,780,951,477.95, 195,658,302,531.85 and 76,675,378,769.56

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Solution

The fourth proportional to 141,780,951,477.95, 195,658,302,531.85 and 76,675,378,769.56 is: 105,812,341,500.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,780,951,477.95 : 195,658,302,531.85 = 76,675,378,769.56 : x
  2. Step 2: Convert to fraction form
    141,780,951,477.95/195,658,302,531.85 = 76,675,378,769.56/x
  3. Step 3: Cross multiply
    141,780,951,477.95x = 195,658,302,531.85 × 76,675,378,769.56
  4. Step 4: Simplify right side
    141,780,951,477.95x = 15,002,174,456,037,780,750,336
  5. Step 5: Solve for x
    x = 15,002,174,456,037,780,750,336/141,780,951,477.95
  6. Step 6: Final answer
    x = 105,812,341,500.41

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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.