Home / 81,722,957,602.08-112,780,464,146.37-47,426,008,771.92

Finding the Fourth Proportional to 81,722,957,602.08, 112,780,464,146.37 and 47,426,008,771.92

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Solution

The fourth proportional to 81,722,957,602.08, 112,780,464,146.37 and 47,426,008,771.92 is: 65,449,506,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,722,957,602.08 : 112,780,464,146.37 = 47,426,008,771.92 : x
  2. Step 2: Convert to fraction form
    81,722,957,602.08/112,780,464,146.37 = 47,426,008,771.92/x
  3. Step 3: Cross multiply
    81,722,957,602.08x = 112,780,464,146.37 × 47,426,008,771.92
  4. Step 4: Simplify right side
    81,722,957,602.08x = 5,348,727,281,906,951,913,472
  5. Step 5: Solve for x
    x = 5,348,727,281,906,951,913,472/81,722,957,602.08
  6. Step 6: Final answer
    x = 65,449,506,954.34

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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.