Home / 312,938,587.56-469,216,562.55-149,226,416.04

Finding the Fourth Proportional to 312,938,587.56, 469,216,562.55 and 149,226,416.04

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Solution

The fourth proportional to 312,938,587.56, 469,216,562.55 and 149,226,416.04 is: 223,748,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,938,587.56 : 469,216,562.55 = 149,226,416.04 : x
  2. Step 2: Convert to fraction form
    312,938,587.56/469,216,562.55 = 149,226,416.04/x
  3. Step 3: Cross multiply
    312,938,587.56x = 469,216,562.55 × 149,226,416.04
  4. Step 4: Simplify right side
    312,938,587.56x = 70,019,505,975,944,984
  5. Step 5: Solve for x
    x = 70,019,505,975,944,984/312,938,587.56
  6. Step 6: Final answer
    x = 223,748,392.69

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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.