Home / 76,926,810.80-115,292,238.60-31,437,210.80

Finding the Fourth Proportional to 76,926,810.80, 115,292,238.60 and 31,437,210.80

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Solution

The fourth proportional to 76,926,810.80, 115,292,238.60 and 31,437,210.80 is: 47,115,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,926,810.80 : 115,292,238.60 = 31,437,210.80 : x
  2. Step 2: Convert to fraction form
    76,926,810.80/115,292,238.60 = 31,437,210.80/x
  3. Step 3: Cross multiply
    76,926,810.80x = 115,292,238.60 × 31,437,210.80
  4. Step 4: Simplify right side
    76,926,810.80x = 3,624,466,408,472,097
  5. Step 5: Solve for x
    x = 3,624,466,408,472,097/76,926,810.80
  6. Step 6: Final answer
    x = 47,115,776.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.