Home / 81,205,271,150.58-121,758,260,900.85-38,723,161,704.93

Finding the Fourth Proportional to 81,205,271,150.58, 121,758,260,900.85 and 38,723,161,704.93

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Solution

The fourth proportional to 81,205,271,150.58, 121,758,260,900.85 and 38,723,161,704.93 is: 58,061,068,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,205,271,150.58 : 121,758,260,900.85 = 38,723,161,704.93 : x
  2. Step 2: Convert to fraction form
    81,205,271,150.58/121,758,260,900.85 = 38,723,161,704.93/x
  3. Step 3: Cross multiply
    81,205,271,150.58x = 121,758,260,900.85 × 38,723,161,704.93
  4. Step 4: Simplify right side
    81,205,271,150.58x = 4,714,864,825,774,670,610,432
  5. Step 5: Solve for x
    x = 4,714,864,825,774,670,610,432/81,205,271,150.58
  6. Step 6: Final answer
    x = 58,061,068,683.98

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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.