Home / 81,205,271,146.08-121,758,260,894.10-38,723,161,700.43

Finding the Fourth Proportional to 81,205,271,146.08, 121,758,260,894.10 and 38,723,161,700.43

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Solution

The fourth proportional to 81,205,271,146.08, 121,758,260,894.10 and 38,723,161,700.43 is: 58,061,068,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,205,271,146.08 : 121,758,260,894.10 = 38,723,161,700.43 : x
  2. Step 2: Convert to fraction form
    81,205,271,146.08/121,758,260,894.10 = 38,723,161,700.43/x
  3. Step 3: Cross multiply
    81,205,271,146.08x = 121,758,260,894.10 × 38,723,161,700.43
  4. Step 4: Simplify right side
    81,205,271,146.08x = 4,714,864,824,965,377,032,192
  5. Step 5: Solve for x
    x = 4,714,864,824,965,377,032,192/81,205,271,146.08
  6. Step 6: Final answer
    x = 58,061,068,677.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.