Home / 76,122,756.88-105,046,732.80-41,314,746.72

Finding the Fourth Proportional to 76,122,756.88, 105,046,732.80 and 41,314,746.72

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Solution

The fourth proportional to 76,122,756.88, 105,046,732.80 and 41,314,746.72 is: 57,012,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,756.88 : 105,046,732.80 = 41,314,746.72 : x
  2. Step 2: Convert to fraction form
    76,122,756.88/105,046,732.80 = 41,314,746.72/x
  3. Step 3: Cross multiply
    76,122,756.88x = 105,046,732.80 × 41,314,746.72
  4. Step 4: Simplify right side
    76,122,756.88x = 4,339,979,159,395,516
  5. Step 5: Solve for x
    x = 4,339,979,159,395,516/76,122,756.88
  6. Step 6: Final answer
    x = 57,012,900.44

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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.