Home / 57,472,014.60-86,208,021.90-55,456,475.40

Finding the Fourth Proportional to 57,472,014.60, 86,208,021.90 and 55,456,475.40

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Solution

The fourth proportional to 57,472,014.60, 86,208,021.90 and 55,456,475.40 is: 83,184,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,472,014.60 : 86,208,021.90 = 55,456,475.40 : x
  2. Step 2: Convert to fraction form
    57,472,014.60/86,208,021.90 = 55,456,475.40/x
  3. Step 3: Cross multiply
    57,472,014.60x = 86,208,021.90 × 55,456,475.40
  4. Step 4: Simplify right side
    57,472,014.60x = 4,780,793,045,780,011
  5. Step 5: Solve for x
    x = 4,780,793,045,780,011/57,472,014.60
  6. Step 6: Final answer
    x = 83,184,713.10

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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.