Home / 76,347,130.74-114,628,312.92-54,769,970.04

Finding the Fourth Proportional to 76,347,130.74, 114,628,312.92 and 54,769,970.04

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Solution

The fourth proportional to 76,347,130.74, 114,628,312.92 and 54,769,970.04 is: 82,232,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347,130.74 : 114,628,312.92 = 54,769,970.04 : x
  2. Step 2: Convert to fraction form
    76,347,130.74/114,628,312.92 = 54,769,970.04/x
  3. Step 3: Cross multiply
    76,347,130.74x = 114,628,312.92 × 54,769,970.04
  4. Step 4: Simplify right side
    76,347,130.74x = 6,278,189,264,364,145
  5. Step 5: Solve for x
    x = 6,278,189,264,364,145/76,347,130.74
  6. Step 6: Final answer
    x = 82,232,157.30

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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.