Home / 76,497,837.12-105,563,934.18-41,689,778.40

Finding the Fourth Proportional to 76,497,837.12, 105,563,934.18 and 41,689,778.40

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Solution

The fourth proportional to 76,497,837.12, 105,563,934.18 and 41,689,778.40 is: 57,530,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,497,837.12 : 105,563,934.18 = 41,689,778.40 : x
  2. Step 2: Convert to fraction form
    76,497,837.12/105,563,934.18 = 41,689,778.40/x
  3. Step 3: Cross multiply
    76,497,837.12x = 105,563,934.18 × 41,689,778.40
  4. Step 4: Simplify right side
    76,497,837.12x = 4,400,937,022,996,386
  5. Step 5: Solve for x
    x = 4,400,937,022,996,386/76,497,837.12
  6. Step 6: Final answer
    x = 57,530,215.08

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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.