Home / 85,347,638.64-127,892,139.84-56,490,392.34

Finding the Fourth Proportional to 85,347,638.64, 127,892,139.84 and 56,490,392.34

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Solution

The fourth proportional to 85,347,638.64, 127,892,139.84 and 56,490,392.34 is: 84,649,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,347,638.64 : 127,892,139.84 = 56,490,392.34 : x
  2. Step 2: Convert to fraction form
    85,347,638.64/127,892,139.84 = 56,490,392.34/x
  3. Step 3: Cross multiply
    85,347,638.64x = 127,892,139.84 × 56,490,392.34
  4. Step 4: Simplify right side
    85,347,638.64x = 7,224,677,156,763,745
  5. Step 5: Solve for x
    x = 7,224,677,156,763,745/85,347,638.64
  6. Step 6: Final answer
    x = 84,649,994.68

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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.