Home / 53,151,451.20-79,727,176.80-52,143,681.60

Finding the Fourth Proportional to 53,151,451.20, 79,727,176.80 and 52,143,681.60

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Solution

The fourth proportional to 53,151,451.20, 79,727,176.80 and 52,143,681.60 is: 78,215,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151,451.20 : 79,727,176.80 = 52,143,681.60 : x
  2. Step 2: Convert to fraction form
    53,151,451.20/79,727,176.80 = 52,143,681.60/x
  3. Step 3: Cross multiply
    53,151,451.20x = 79,727,176.80 × 52,143,681.60
  4. Step 4: Simplify right side
    53,151,451.20x = 4,157,268,521,926,107
  5. Step 5: Solve for x
    x = 4,157,268,521,926,107/53,151,451.20
  6. Step 6: Final answer
    x = 78,215,522.40

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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.