Home / 105,346,387.07-145,376,943.09-58,303,552.33

Finding the Fourth Proportional to 105,346,387.07, 145,376,943.09 and 58,303,552.33

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Solution

The fourth proportional to 105,346,387.07, 145,376,943.09 and 58,303,552.33 is: 80,458,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346,387.07 : 145,376,943.09 = 58,303,552.33 : x
  2. Step 2: Convert to fraction form
    105,346,387.07/145,376,943.09 = 58,303,552.33/x
  3. Step 3: Cross multiply
    105,346,387.07x = 145,376,943.09 × 58,303,552.33
  4. Step 4: Simplify right side
    105,346,387.07x = 8,475,992,209,023,247
  5. Step 5: Solve for x
    x = 8,475,992,209,023,247/105,346,387.07
  6. Step 6: Final answer
    x = 80,458,309.44

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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.