Home / 85,152,384.80-127,728,577.20-75,074,688.80

Finding the Fourth Proportional to 85,152,384.80, 127,728,577.20 and 75,074,688.80

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Solution

The fourth proportional to 85,152,384.80, 127,728,577.20 and 75,074,688.80 is: 112,612,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,384.80 : 127,728,577.20 = 75,074,688.80 : x
  2. Step 2: Convert to fraction form
    85,152,384.80/127,728,577.20 = 75,074,688.80/x
  3. Step 3: Cross multiply
    85,152,384.80x = 127,728,577.20 × 75,074,688.80
  4. Step 4: Simplify right side
    85,152,384.80x = 9,589,183,184,156,776
  5. Step 5: Solve for x
    x = 9,589,183,184,156,776/85,152,384.80
  6. Step 6: Final answer
    x = 112,612,033.20

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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.