Home / 168,720,040.80-253,080,061.20-53,716,208.40

Finding the Fourth Proportional to 168,720,040.80, 253,080,061.20 and 53,716,208.40

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Solution

The fourth proportional to 168,720,040.80, 253,080,061.20 and 53,716,208.40 is: 80,574,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,720,040.80 : 253,080,061.20 = 53,716,208.40 : x
  2. Step 2: Convert to fraction form
    168,720,040.80/253,080,061.20 = 53,716,208.40/x
  3. Step 3: Cross multiply
    168,720,040.80x = 253,080,061.20 × 53,716,208.40
  4. Step 4: Simplify right side
    168,720,040.80x = 13,594,501,309,303,954
  5. Step 5: Solve for x
    x = 13,594,501,309,303,954/168,720,040.80
  6. Step 6: Final answer
    x = 80,574,312.60

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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.