Home / 100,687,975,196.24-138,949,419,371.64-55,577,710,521.20

Finding the Fourth Proportional to 100,687,975,196.24, 138,949,419,371.64 and 55,577,710,521.20

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Solution

The fourth proportional to 100,687,975,196.24, 138,949,419,371.64 and 55,577,710,521.20 is: 76,697,248,026.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,687,975,196.24 : 138,949,419,371.64 = 55,577,710,521.20 : x
  2. Step 2: Convert to fraction form
    100,687,975,196.24/138,949,419,371.64 = 55,577,710,521.20/x
  3. Step 3: Cross multiply
    100,687,975,196.24x = 138,949,419,371.64 × 55,577,710,521.20
  4. Step 4: Simplify right side
    100,687,975,196.24x = 7,722,490,606,925,828,325,376
  5. Step 5: Solve for x
    x = 7,722,490,606,925,828,325,376/100,687,975,196.24
  6. Step 6: Final answer
    x = 76,697,248,026.64

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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.