Home / 65,182,408.20-97,661,637.90-31,030,216.20

Finding the Fourth Proportional to 65,182,408.20, 97,661,637.90 and 31,030,216.20

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Solution

The fourth proportional to 65,182,408.20, 97,661,637.90 and 31,030,216.20 is: 46,492,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,182,408.20 : 97,661,637.90 = 31,030,216.20 : x
  2. Step 2: Convert to fraction form
    65,182,408.20/97,661,637.90 = 31,030,216.20/x
  3. Step 3: Cross multiply
    65,182,408.20x = 97,661,637.90 × 31,030,216.20
  4. Step 4: Simplify right side
    65,182,408.20x = 3,030,461,738,483,114
  5. Step 5: Solve for x
    x = 3,030,461,738,483,114/65,182,408.20
  6. Step 6: Final answer
    x = 46,492,018.66

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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.