Home / 105,205,124.21-145,187,555.13-58,795,376.76

Finding the Fourth Proportional to 105,205,124.21, 145,187,555.13 and 58,795,376.76

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Solution

The fourth proportional to 105,205,124.21, 145,187,555.13 and 58,795,376.76 is: 81,140,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,124.21 : 145,187,555.13 = 58,795,376.76 : x
  2. Step 2: Convert to fraction form
    105,205,124.21/145,187,555.13 = 58,795,376.76/x
  3. Step 3: Cross multiply
    105,205,124.21x = 145,187,555.13 × 58,795,376.76
  4. Step 4: Simplify right side
    105,205,124.21x = 8,536,357,004,731,620
  5. Step 5: Solve for x
    x = 8,536,357,004,731,620/105,205,124.21
  6. Step 6: Final answer
    x = 81,140,125.72

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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.