Home / 289,172,879.90-433,756,555.05-70,824,182.30

Finding the Fourth Proportional to 289,172,879.90, 433,756,555.05 and 70,824,182.30

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Solution

The fourth proportional to 289,172,879.90, 433,756,555.05 and 70,824,182.30 is: 106,235,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,172,879.90 : 433,756,555.05 = 70,824,182.30 : x
  2. Step 2: Convert to fraction form
    289,172,879.90/433,756,555.05 = 70,824,182.30/x
  3. Step 3: Cross multiply
    289,172,879.90x = 433,756,555.05 × 70,824,182.30
  4. Step 4: Simplify right side
    289,172,879.90x = 30,720,453,328,681,184
  5. Step 5: Solve for x
    x = 30,720,453,328,681,184/289,172,879.90
  6. Step 6: Final answer
    x = 106,235,596.30

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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.