Home / 291,459,595.86-436,920,352.83-145,766,377.62

Finding the Fourth Proportional to 291,459,595.86, 436,920,352.83 and 145,766,377.62

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Solution

The fourth proportional to 291,459,595.86, 436,920,352.83 and 145,766,377.62 is: 218,515,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,459,595.86 : 436,920,352.83 = 145,766,377.62 : x
  2. Step 2: Convert to fraction form
    291,459,595.86/436,920,352.83 = 145,766,377.62/x
  3. Step 3: Cross multiply
    291,459,595.86x = 436,920,352.83 × 145,766,377.62
  4. Step 4: Simplify right side
    291,459,595.86x = 63,688,297,140,481,416
  5. Step 5: Solve for x
    x = 63,688,297,140,481,416/291,459,595.86
  6. Step 6: Final answer
    x = 218,515,012.18

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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.