Home / 219,405,774.02-302,779,894.88-120,284,393.21

Finding the Fourth Proportional to 219,405,774.02, 302,779,894.88 and 120,284,393.21

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Solution

The fourth proportional to 219,405,774.02, 302,779,894.88 and 120,284,393.21 is: 165,992,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,405,774.02 : 302,779,894.88 = 120,284,393.21 : x
  2. Step 2: Convert to fraction form
    219,405,774.02/302,779,894.88 = 120,284,393.21/x
  3. Step 3: Cross multiply
    219,405,774.02x = 302,779,894.88 × 120,284,393.21
  4. Step 4: Simplify right side
    219,405,774.02x = 36,419,695,929,713,064
  5. Step 5: Solve for x
    x = 36,419,695,929,713,064/219,405,774.02
  6. Step 6: Final answer
    x = 165,992,422.45

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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.