Home / 43,720,110.90-65,580,166.35-42,460,398.90

Finding the Fourth Proportional to 43,720,110.90, 65,580,166.35 and 42,460,398.90

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Solution

The fourth proportional to 43,720,110.90, 65,580,166.35 and 42,460,398.90 is: 63,690,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720,110.90 : 65,580,166.35 = 42,460,398.90 : x
  2. Step 2: Convert to fraction form
    43,720,110.90/65,580,166.35 = 42,460,398.90/x
  3. Step 3: Cross multiply
    43,720,110.90x = 65,580,166.35 × 42,460,398.90
  4. Step 4: Simplify right side
    43,720,110.90x = 2,784,560,023,149,357
  5. Step 5: Solve for x
    x = 2,784,560,023,149,357/43,720,110.90
  6. Step 6: Final answer
    x = 63,690,598.35

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1.5x scale

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.