Home / 140,361,402.63-193,685,736.62-77,636,150.79

Finding the Fourth Proportional to 140,361,402.63, 193,685,736.62 and 77,636,150.79

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Solution

The fourth proportional to 140,361,402.63, 193,685,736.62 and 77,636,150.79 is: 107,130,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,361,402.63 : 193,685,736.62 = 77,636,150.79 : x
  2. Step 2: Convert to fraction form
    140,361,402.63/193,685,736.62 = 77,636,150.79/x
  3. Step 3: Cross multiply
    140,361,402.63x = 193,685,736.62 × 77,636,150.79
  4. Step 4: Simplify right side
    140,361,402.63x = 15,037,015,053,714,366
  5. Step 5: Solve for x
    x = 15,037,015,053,714,366/140,361,402.63
  6. Step 6: Final answer
    x = 107,130,698.13

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Why These Related Problems?

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