Home / 65,381,290.19-90,218,319.45-37,502,559.63

Finding the Fourth Proportional to 65,381,290.19, 90,218,319.45 and 37,502,559.63

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Solution

The fourth proportional to 65,381,290.19, 90,218,319.45 and 37,502,559.63 is: 51,749,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,381,290.19 : 90,218,319.45 = 37,502,559.63 : x
  2. Step 2: Convert to fraction form
    65,381,290.19/90,218,319.45 = 37,502,559.63/x
  3. Step 3: Cross multiply
    65,381,290.19x = 90,218,319.45 × 37,502,559.63
  4. Step 4: Simplify right side
    65,381,290.19x = 3,383,417,904,751,379.50
  5. Step 5: Solve for x
    x = 3,383,417,904,751,379.50/65,381,290.19
  6. Step 6: Final answer
    x = 51,749,023.23

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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.