Home / 157,278,602.12-235,917,699.03-42,263,147.03

Finding the Fourth Proportional to 157,278,602.12, 235,917,699.03 and 42,263,147.03

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Solution

The fourth proportional to 157,278,602.12, 235,917,699.03 and 42,263,147.03 is: 63,394,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,278,602.12 : 235,917,699.03 = 42,263,147.03 : x
  2. Step 2: Convert to fraction form
    157,278,602.12/235,917,699.03 = 42,263,147.03/x
  3. Step 3: Cross multiply
    157,278,602.12x = 235,917,699.03 × 42,263,147.03
  4. Step 4: Simplify right side
    157,278,602.12x = 9,970,624,399,904,590
  5. Step 5: Solve for x
    x = 9,970,624,399,904,590/157,278,602.12
  6. Step 6: Final answer
    x = 63,394,665.68

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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.