Home / 137,503,308,656.88-189,754,575,071.40-76,534,367,447.33

Finding the Fourth Proportional to 137,503,308,656.88, 189,754,575,071.40 and 76,534,367,447.33

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Solution

The fourth proportional to 137,503,308,656.88, 189,754,575,071.40 and 76,534,367,447.33 is: 105,617,432,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,503,308,656.88 : 189,754,575,071.40 = 76,534,367,447.33 : x
  2. Step 2: Convert to fraction form
    137,503,308,656.88/189,754,575,071.40 = 76,534,367,447.33/x
  3. Step 3: Cross multiply
    137,503,308,656.88x = 189,754,575,071.40 × 76,534,367,447.33
  4. Step 4: Simplify right side
    137,503,308,656.88x = 14,522,746,373,325,543,440,384
  5. Step 5: Solve for x
    x = 14,522,746,373,325,543,440,384/137,503,308,656.88
  6. Step 6: Final answer
    x = 105,617,432,156.23

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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.