Home / 243,745,899.66-336,369,305.03-139,326,213

Finding the Fourth Proportional to 243,745,899.66, 336,369,305.03 and 139,326,213

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Solution

The fourth proportional to 243,745,899.66, 336,369,305.03 and 139,326,213 is: 192,270,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,745,899.66 : 336,369,305.03 = 139,326,213 : x
  2. Step 2: Convert to fraction form
    243,745,899.66/336,369,305.03 = 139,326,213/x
  3. Step 3: Cross multiply
    243,745,899.66x = 336,369,305.03 × 139,326,213
  4. Step 4: Simplify right side
    243,745,899.66x = 46,865,061,438,575,120
  5. Step 5: Solve for x
    x = 46,865,061,438,575,120/243,745,899.66
  6. Step 6: Final answer
    x = 192,270,153.07

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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.