Home / 172,465,415.55-258,698,123.33-155,459,303.55

Finding the Fourth Proportional to 172,465,415.55, 258,698,123.33 and 155,459,303.55

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Solution

The fourth proportional to 172,465,415.55, 258,698,123.33 and 155,459,303.55 is: 233,188,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,465,415.55 : 258,698,123.33 = 155,459,303.55 : x
  2. Step 2: Convert to fraction form
    172,465,415.55/258,698,123.33 = 155,459,303.55/x
  3. Step 3: Cross multiply
    172,465,415.55x = 258,698,123.33 × 155,459,303.55
  4. Step 4: Simplify right side
    172,465,415.55x = 40,217,030,081,796,512
  5. Step 5: Solve for x
    x = 40,217,030,081,796,512/172,465,415.55
  6. Step 6: Final answer
    x = 233,188,955.33

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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.