Home / 57,116,941.24-78,886,276.20-38,499,972.52

Finding the Fourth Proportional to 57,116,941.24, 78,886,276.20 and 38,499,972.52

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Solution

The fourth proportional to 57,116,941.24, 78,886,276.20 and 38,499,972.52 is: 53,173,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,116,941.24 : 78,886,276.20 = 38,499,972.52 : x
  2. Step 2: Convert to fraction form
    57,116,941.24/78,886,276.20 = 38,499,972.52/x
  3. Step 3: Cross multiply
    57,116,941.24x = 78,886,276.20 × 38,499,972.52
  4. Step 4: Simplify right side
    57,116,941.24x = 3,037,119,465,905,130.50
  5. Step 5: Solve for x
    x = 3,037,119,465,905,130.50/57,116,941.24
  6. Step 6: Final answer
    x = 53,173,706.43

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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.