Home / 105,337,189.72-145,365,535.20-58,928,218.66

Finding the Fourth Proportional to 105,337,189.72, 145,365,535.20 and 58,928,218.66

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Solution

The fourth proportional to 105,337,189.72, 145,365,535.20 and 58,928,218.66 is: 81,321,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,337,189.72 : 145,365,535.20 = 58,928,218.66 : x
  2. Step 2: Convert to fraction form
    105,337,189.72/145,365,535.20 = 58,928,218.66/x
  3. Step 3: Cross multiply
    105,337,189.72x = 145,365,535.20 × 58,928,218.66
  4. Step 4: Simplify right side
    105,337,189.72x = 8,566,132,043,893,526
  5. Step 5: Solve for x
    x = 8,566,132,043,893,526/105,337,189.72
  6. Step 6: Final answer
    x = 81,321,061.12

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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.