Home / 110,510,878.18-165,421,467.07-81,397,590.46

Finding the Fourth Proportional to 110,510,878.18, 165,421,467.07 and 81,397,590.46

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Solution

The fourth proportional to 110,510,878.18, 165,421,467.07 and 81,397,590.46 is: 121,842,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,510,878.18 : 165,421,467.07 = 81,397,590.46 : x
  2. Step 2: Convert to fraction form
    110,510,878.18/165,421,467.07 = 81,397,590.46/x
  3. Step 3: Cross multiply
    110,510,878.18x = 165,421,467.07 × 81,397,590.46
  4. Step 4: Simplify right side
    110,510,878.18x = 13,464,908,829,883,904
  5. Step 5: Solve for x
    x = 13,464,908,829,883,904/110,510,878.18
  6. Step 6: Final answer
    x = 121,842,383.77

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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.