Home / 128,441,182.68-177,250,129.74-69,704,355.06

Finding the Fourth Proportional to 128,441,182.68, 177,250,129.74 and 69,704,355.06

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Solution

The fourth proportional to 128,441,182.68, 177,250,129.74 and 69,704,355.06 is: 96,192,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,441,182.68 : 177,250,129.74 = 69,704,355.06 : x
  2. Step 2: Convert to fraction form
    128,441,182.68/177,250,129.74 = 69,704,355.06/x
  3. Step 3: Cross multiply
    128,441,182.68x = 177,250,129.74 × 69,704,355.06
  4. Step 4: Simplify right side
    128,441,182.68x = 12,355,105,977,828,026
  5. Step 5: Solve for x
    x = 12,355,105,977,828,026/128,441,182.68
  6. Step 6: Final answer
    x = 96,192,714.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.