Home / 140,168,390,788.04-193,429,857,847.54-79,199,448,981.77

Finding the Fourth Proportional to 140,168,390,788.04, 193,429,857,847.54 and 79,199,448,981.77

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Solution

The fourth proportional to 140,168,390,788.04, 193,429,857,847.54 and 79,199,448,981.77 is: 109,293,814,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,168,390,788.04 : 193,429,857,847.54 = 79,199,448,981.77 : x
  2. Step 2: Convert to fraction form
    140,168,390,788.04/193,429,857,847.54 = 79,199,448,981.77/x
  3. Step 3: Cross multiply
    140,168,390,788.04x = 193,429,857,847.54 × 79,199,448,981.77
  4. Step 4: Simplify right side
    140,168,390,788.04x = 15,319,538,158,146,301,198,336
  5. Step 5: Solve for x
    x = 15,319,538,158,146,301,198,336/140,168,390,788.04
  6. Step 6: Final answer
    x = 109,293,814,903.76

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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.