Home / 105,396,900.88-145,447,701.88-58,987,149.76

Finding the Fourth Proportional to 105,396,900.88, 145,447,701.88 and 58,987,149.76

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Solution

The fourth proportional to 105,396,900.88, 145,447,701.88 and 58,987,149.76 is: 81,402,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,396,900.88 : 145,447,701.88 = 58,987,149.76 : x
  2. Step 2: Convert to fraction form
    105,396,900.88/145,447,701.88 = 58,987,149.76/x
  3. Step 3: Cross multiply
    105,396,900.88x = 145,447,701.88 × 58,987,149.76
  4. Step 4: Simplify right side
    105,396,900.88x = 8,579,545,373,043,393
  5. Step 5: Solve for x
    x = 8,579,545,373,043,393/105,396,900.88
  6. Step 6: Final answer
    x = 81,402,254.73

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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.