Home / 307,185,165.27-423,915,564.02-167,956,021.35

Finding the Fourth Proportional to 307,185,165.27, 423,915,564.02 and 167,956,021.35

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Solution

The fourth proportional to 307,185,165.27, 423,915,564.02 and 167,956,021.35 is: 231,779,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,185,165.27 : 423,915,564.02 = 167,956,021.35 : x
  2. Step 2: Convert to fraction form
    307,185,165.27/423,915,564.02 = 167,956,021.35/x
  3. Step 3: Cross multiply
    307,185,165.27x = 423,915,564.02 × 167,956,021.35
  4. Step 4: Simplify right side
    307,185,165.27x = 71,199,171,520,300,624
  5. Step 5: Solve for x
    x = 71,199,171,520,300,624/307,185,165.27
  6. Step 6: Final answer
    x = 231,779,329.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.