Home / 109,168,163,799.03-164,497,398,835.99-89,707,003,538.45

Finding the Fourth Proportional to 109,168,163,799.03, 164,497,398,835.99 and 89,707,003,538.45

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Solution

The fourth proportional to 109,168,163,799.03, 164,497,398,835.99 and 89,707,003,538.45 is: 135,172,821,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,168,163,799.03 : 164,497,398,835.99 = 89,707,003,538.45 : x
  2. Step 2: Convert to fraction form
    109,168,163,799.03/164,497,398,835.99 = 89,707,003,538.45/x
  3. Step 3: Cross multiply
    109,168,163,799.03x = 164,497,398,835.99 × 89,707,003,538.45
  4. Step 4: Simplify right side
    109,168,163,799.03x = 14,756,568,739,445,154,512,896
  5. Step 5: Solve for x
    x = 14,756,568,739,445,154,512,896/109,168,163,799.03
  6. Step 6: Final answer
    x = 135,172,821,690.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.