Home / 219,492,012.80-329,238,019.20-183,779,177.60

Finding the Fourth Proportional to 219,492,012.80, 329,238,019.20 and 183,779,177.60

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Solution

The fourth proportional to 219,492,012.80, 329,238,019.20 and 183,779,177.60 is: 275,668,766.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,492,012.80 : 329,238,019.20 = 183,779,177.60 : x
  2. Step 2: Convert to fraction form
    219,492,012.80/329,238,019.20 = 183,779,177.60/x
  3. Step 3: Cross multiply
    219,492,012.80x = 329,238,019.20 × 183,779,177.60
  4. Step 4: Simplify right side
    219,492,012.80x = 60,507,092,403,229,008
  5. Step 5: Solve for x
    x = 60,507,092,403,229,008/219,492,012.80
  6. Step 6: Final answer
    x = 275,668,766.40

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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.