Home / 137,503,308,965.74-189,754,575,496.20-76,534,367,756.36

Finding the Fourth Proportional to 137,503,308,965.74, 189,754,575,496.20 and 76,534,367,756.36

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Solution

The fourth proportional to 137,503,308,965.74, 189,754,575,496.20 and 76,534,367,756.36 is: 105,617,432,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,503,308,965.74 : 189,754,575,496.20 = 76,534,367,756.36 : x
  2. Step 2: Convert to fraction form
    137,503,308,965.74/189,754,575,496.20 = 76,534,367,756.36/x
  3. Step 3: Cross multiply
    137,503,308,965.74x = 189,754,575,496.20 × 76,534,367,756.36
  4. Step 4: Simplify right side
    137,503,308,965.74x = 14,522,746,464,478,150,262,784
  5. Step 5: Solve for x
    x = 14,522,746,464,478,150,262,784/137,503,308,965.74
  6. Step 6: Final answer
    x = 105,617,432,581.91

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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.