Home / 147,745,338.30-221,618,007.45-93,325,779.90

Finding the Fourth Proportional to 147,745,338.30, 221,618,007.45 and 93,325,779.90

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Solution

The fourth proportional to 147,745,338.30, 221,618,007.45 and 93,325,779.90 is: 139,988,669.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,338.30 : 221,618,007.45 = 93,325,779.90 : x
  2. Step 2: Convert to fraction form
    147,745,338.30/221,618,007.45 = 93,325,779.90/x
  3. Step 3: Cross multiply
    147,745,338.30x = 221,618,007.45 × 93,325,779.90
  4. Step 4: Simplify right side
    147,745,338.30x = 20,682,673,385,155,260
  5. Step 5: Solve for x
    x = 20,682,673,385,155,260/147,745,338.30
  6. Step 6: Final answer
    x = 139,988,669.85

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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.