Home / 65,418,741.81-90,278,460.77-36,051,128.01

Finding the Fourth Proportional to 65,418,741.81, 90,278,460.77 and 36,051,128.01

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Solution

The fourth proportional to 65,418,741.81, 90,278,460.77 and 36,051,128.01 is: 49,750,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418,741.81 : 90,278,460.77 = 36,051,128.01 : x
  2. Step 2: Convert to fraction form
    65,418,741.81/90,278,460.77 = 36,051,128.01/x
  3. Step 3: Cross multiply
    65,418,741.81x = 90,278,460.77 × 36,051,128.01
  4. Step 4: Simplify right side
    65,418,741.81x = 3,254,640,345,584,777.50
  5. Step 5: Solve for x
    x = 3,254,640,345,584,777.50/65,418,741.81
  6. Step 6: Final answer
    x = 49,750,885.69

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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.