Home / 122,490,312.70-183,735,469.05-54,333,004.45

Finding the Fourth Proportional to 122,490,312.70, 183,735,469.05 and 54,333,004.45

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Solution

The fourth proportional to 122,490,312.70, 183,735,469.05 and 54,333,004.45 is: 81,499,506.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,490,312.70 : 183,735,469.05 = 54,333,004.45 : x
  2. Step 2: Convert to fraction form
    122,490,312.70/183,735,469.05 = 54,333,004.45/x
  3. Step 3: Cross multiply
    122,490,312.70x = 183,735,469.05 × 54,333,004.45
  4. Step 4: Simplify right side
    122,490,312.70x = 9,982,900,057,516,488
  5. Step 5: Solve for x
    x = 9,982,900,057,516,488/122,490,312.70
  6. Step 6: Final answer
    x = 81,499,506.68

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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.