Home / 65,869,457.93-90,900,385.64-36,501,281.04

Finding the Fourth Proportional to 65,869,457.93, 90,900,385.64 and 36,501,281.04

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Solution

The fourth proportional to 65,869,457.93, 90,900,385.64 and 36,501,281.04 is: 50,372,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869,457.93 : 90,900,385.64 = 36,501,281.04 : x
  2. Step 2: Convert to fraction form
    65,869,457.93/90,900,385.64 = 36,501,281.04/x
  3. Step 3: Cross multiply
    65,869,457.93x = 90,900,385.64 × 36,501,281.04
  4. Step 4: Simplify right side
    65,869,457.93x = 3,317,980,522,981,273.50
  5. Step 5: Solve for x
    x = 3,317,980,522,981,273.50/65,869,457.93
  6. Step 6: Final answer
    x = 50,372,063.59

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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.