Home / 148,988,703.74-205,602,779.50-82,006,229.68

Finding the Fourth Proportional to 148,988,703.74, 205,602,779.50 and 82,006,229.68

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Solution

The fourth proportional to 148,988,703.74, 205,602,779.50 and 82,006,229.68 is: 113,167,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,988,703.74 : 205,602,779.50 = 82,006,229.68 : x
  2. Step 2: Convert to fraction form
    148,988,703.74/205,602,779.50 = 82,006,229.68/x
  3. Step 3: Cross multiply
    148,988,703.74x = 205,602,779.50 × 82,006,229.68
  4. Step 4: Simplify right side
    148,988,703.74x = 16,860,708,758,523,398
  5. Step 5: Solve for x
    x = 16,860,708,758,523,398/148,988,703.74
  6. Step 6: Final answer
    x = 113,167,698.86

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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.