Home / 124,068,537.78-186,123,005.10-36,638,897.69

Finding the Fourth Proportional to 124,068,537.78, 186,123,005.10 and 36,638,897.69

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Solution

The fourth proportional to 124,068,537.78, 186,123,005.10 and 36,638,897.69 is: 54,964,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,068,537.78 : 186,123,005.10 = 36,638,897.69 : x
  2. Step 2: Convert to fraction form
    124,068,537.78/186,123,005.10 = 36,638,897.69/x
  3. Step 3: Cross multiply
    124,068,537.78x = 186,123,005.10 × 36,638,897.69
  4. Step 4: Simplify right side
    124,068,537.78x = 6,819,341,740,683,633
  5. Step 5: Solve for x
    x = 6,819,341,740,683,633/124,068,537.78
  6. Step 6: Final answer
    x = 54,964,311.36

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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.