Home / 128,998,429.35-181,107,984.45-128,998,429.35

Finding the Fourth Proportional to 128,998,429.35, 181,107,984.45 and 128,998,429.35

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Solution

The fourth proportional to 128,998,429.35, 181,107,984.45 and 128,998,429.35 is: 181,107,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,998,429.35 : 181,107,984.45 = 128,998,429.35 : x
  2. Step 2: Convert to fraction form
    128,998,429.35/181,107,984.45 = 128,998,429.35/x
  3. Step 3: Cross multiply
    128,998,429.35x = 181,107,984.45 × 128,998,429.35
  4. Step 4: Simplify right side
    128,998,429.35x = 23,362,645,536,794,220
  5. Step 5: Solve for x
    x = 23,362,645,536,794,220/128,998,429.35
  6. Step 6: Final answer
    x = 181,107,984.45

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.