Home / 172,649,315.80-258,973,973.70-153,837,616.60

Finding the Fourth Proportional to 172,649,315.80, 258,973,973.70 and 153,837,616.60

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Solution

The fourth proportional to 172,649,315.80, 258,973,973.70 and 153,837,616.60 is: 230,756,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649,315.80 : 258,973,973.70 = 153,837,616.60 : x
  2. Step 2: Convert to fraction form
    172,649,315.80/258,973,973.70 = 153,837,616.60/x
  3. Step 3: Cross multiply
    172,649,315.80x = 258,973,973.70 × 153,837,616.60
  4. Step 4: Simplify right side
    172,649,315.80x = 39,839,938,875,439,080
  5. Step 5: Solve for x
    x = 39,839,938,875,439,080/172,649,315.80
  6. Step 6: Final answer
    x = 230,756,424.90

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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.