Home / 52,178,812.20-78,268,218.30-32,779,247.40

Finding the Fourth Proportional to 52,178,812.20, 78,268,218.30 and 32,779,247.40

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Solution

The fourth proportional to 52,178,812.20, 78,268,218.30 and 32,779,247.40 is: 49,168,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178,812.20 : 78,268,218.30 = 32,779,247.40 : x
  2. Step 2: Convert to fraction form
    52,178,812.20/78,268,218.30 = 32,779,247.40/x
  3. Step 3: Cross multiply
    52,178,812.20x = 78,268,218.30 × 32,779,247.40
  4. Step 4: Simplify right side
    52,178,812.20x = 2,565,573,291,212,907
  5. Step 5: Solve for x
    x = 2,565,573,291,212,907/52,178,812.20
  6. Step 6: Final answer
    x = 49,168,871.10

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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.