Home / 141,389,012,311.31-195,116,785,450.62-77,159,736,773.12

Finding the Fourth Proportional to 141,389,012,311.31, 195,116,785,450.62 and 77,159,736,773.12

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Solution

The fourth proportional to 141,389,012,311.31, 195,116,785,450.62 and 77,159,736,773.12 is: 106,480,408,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,389,012,311.31 : 195,116,785,450.62 = 77,159,736,773.12 : x
  2. Step 2: Convert to fraction form
    141,389,012,311.31/195,116,785,450.62 = 77,159,736,773.12/x
  3. Step 3: Cross multiply
    141,389,012,311.31x = 195,116,785,450.62 × 77,159,736,773.12
  4. Step 4: Simplify right side
    141,389,012,311.31x = 15,055,159,805,387,168,808,960
  5. Step 5: Solve for x
    x = 15,055,159,805,387,168,808,960/141,389,012,311.31
  6. Step 6: Final answer
    x = 106,480,408,620.71

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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.