Home / 243,590,643.47-336,154,728.30-132,081,281.66

Finding the Fourth Proportional to 243,590,643.47, 336,154,728.30 and 132,081,281.66

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Solution

The fourth proportional to 243,590,643.47, 336,154,728.30 and 132,081,281.66 is: 182,271,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,590,643.47 : 336,154,728.30 = 132,081,281.66 : x
  2. Step 2: Convert to fraction form
    243,590,643.47/336,154,728.30 = 132,081,281.66/x
  3. Step 3: Cross multiply
    243,590,643.47x = 336,154,728.30 × 132,081,281.66
  4. Step 4: Simplify right side
    243,590,643.47x = 44,399,747,349,933,072
  5. Step 5: Solve for x
    x = 44,399,747,349,933,072/243,590,643.47
  6. Step 6: Final answer
    x = 182,271,973.66

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