Home / 52,086,106.10-78,121,554-15,188,080.92

Finding the Fourth Proportional to 52,086,106.10, 78,121,554 and 15,188,080.92

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Solution

The fourth proportional to 52,086,106.10, 78,121,554 and 15,188,080.92 is: 22,779,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086,106.10 : 78,121,554 = 15,188,080.92 : x
  2. Step 2: Convert to fraction form
    52,086,106.10/78,121,554 = 15,188,080.92/x
  3. Step 3: Cross multiply
    52,086,106.10x = 78,121,554 × 15,188,080.92
  4. Step 4: Simplify right side
    52,086,106.10x = 1,186,516,483,748,149.75
  5. Step 5: Solve for x
    x = 1,186,516,483,748,149.75/52,086,106.10
  6. Step 6: Final answer
    x = 22,779,903.75

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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.