Home / 76,124,486.68-105,051,895.28-41,317,178.83

Finding the Fourth Proportional to 76,124,486.68, 105,051,895.28 and 41,317,178.83

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Solution

The fourth proportional to 76,124,486.68, 105,051,895.28 and 41,317,178.83 is: 57,017,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,486.68 : 105,051,895.28 = 41,317,178.83 : x
  2. Step 2: Convert to fraction form
    76,124,486.68/105,051,895.28 = 41,317,178.83/x
  3. Step 3: Cross multiply
    76,124,486.68x = 105,051,895.28 × 41,317,178.83
  4. Step 4: Simplify right side
    76,124,486.68x = 4,340,447,943,399,917
  5. Step 5: Solve for x
    x = 4,340,447,943,399,917/76,124,486.68
  6. Step 6: Final answer
    x = 57,017,763.05

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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.