Home / 76,616,281.40-114,924,422.10-50,974,143.80

Finding the Fourth Proportional to 76,616,281.40, 114,924,422.10 and 50,974,143.80

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Solution

The fourth proportional to 76,616,281.40, 114,924,422.10 and 50,974,143.80 is: 76,461,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,616,281.40 : 114,924,422.10 = 50,974,143.80 : x
  2. Step 2: Convert to fraction form
    76,616,281.40/114,924,422.10 = 50,974,143.80/x
  3. Step 3: Cross multiply
    76,616,281.40x = 114,924,422.10 × 50,974,143.80
  4. Step 4: Simplify right side
    76,616,281.40x = 5,858,174,018,257,297
  5. Step 5: Solve for x
    x = 5,858,174,018,257,297/76,616,281.40
  6. Step 6: Final answer
    x = 76,461,215.70

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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.