Home / 79,931,408.64-110,308,014.96-48,985,598.40

Finding the Fourth Proportional to 79,931,408.64, 110,308,014.96 and 48,985,598.40

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Solution

The fourth proportional to 79,931,408.64, 110,308,014.96 and 48,985,598.40 is: 67,601,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931,408.64 : 110,308,014.96 = 48,985,598.40 : x
  2. Step 2: Convert to fraction form
    79,931,408.64/110,308,014.96 = 48,985,598.40/x
  3. Step 3: Cross multiply
    79,931,408.64x = 110,308,014.96 × 48,985,598.40
  4. Step 4: Simplify right side
    79,931,408.64x = 5,403,504,121,131,752
  5. Step 5: Solve for x
    x = 5,403,504,121,131,752/79,931,408.64
  6. Step 6: Final answer
    x = 67,601,762.72

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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.