Home / 306,732,228.88-423,326,798.76-172,774,554.16

Finding the Fourth Proportional to 306,732,228.88, 423,326,798.76 and 172,774,554.16

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Solution

The fourth proportional to 306,732,228.88, 423,326,798.76 and 172,774,554.16 is: 238,449,344.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,732,228.88 : 423,326,798.76 = 172,774,554.16 : x
  2. Step 2: Convert to fraction form
    306,732,228.88/423,326,798.76 = 172,774,554.16/x
  3. Step 3: Cross multiply
    306,732,228.88x = 423,326,798.76 × 172,774,554.16
  4. Step 4: Simplify right side
    306,732,228.88x = 73,140,098,919,739,040
  5. Step 5: Solve for x
    x = 73,140,098,919,739,040/306,732,228.88
  6. Step 6: Final answer
    x = 238,449,344.52

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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.