Home / 142,545,232,189.08-196,729,284,352.23-84,673,840,649.40

Finding the Fourth Proportional to 142,545,232,189.08, 196,729,284,352.23 and 84,673,840,649.40

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Solution

The fourth proportional to 142,545,232,189.08, 196,729,284,352.23 and 84,673,840,649.40 is: 116,859,917,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,545,232,189.08 : 196,729,284,352.23 = 84,673,840,649.40 : x
  2. Step 2: Convert to fraction form
    142,545,232,189.08/196,729,284,352.23 = 84,673,840,649.40/x
  3. Step 3: Cross multiply
    142,545,232,189.08x = 196,729,284,352.23 × 84,673,840,649.40
  4. Step 4: Simplify right side
    142,545,232,189.08x = 16,657,824,074,311,223,214,080
  5. Step 5: Solve for x
    x = 16,657,824,074,311,223,214,080/142,545,232,189.08
  6. Step 6: Final answer
    x = 116,859,917,504.75

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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.