Home / 105,749,858.88-145,934,403.84-59,340,003.84

Finding the Fourth Proportional to 105,749,858.88, 145,934,403.84 and 59,340,003.84

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Solution

The fourth proportional to 105,749,858.88, 145,934,403.84 and 59,340,003.84 is: 81,888,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,749,858.88 : 145,934,403.84 = 59,340,003.84 : x
  2. Step 2: Convert to fraction form
    105,749,858.88/145,934,403.84 = 59,340,003.84/x
  3. Step 3: Cross multiply
    105,749,858.88x = 145,934,403.84 × 59,340,003.84
  4. Step 4: Simplify right side
    105,749,858.88x = 8,659,748,084,253,711
  5. Step 5: Solve for x
    x = 8,659,748,084,253,711/105,749,858.88
  6. Step 6: Final answer
    x = 81,888,980.05

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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.