Home / 243,219,321.04-335,642,986.70-131,710,354.10

Finding the Fourth Proportional to 243,219,321.04, 335,642,986.70 and 131,710,354.10

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Solution

The fourth proportional to 243,219,321.04, 335,642,986.70 and 131,710,354.10 is: 181,760,463.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,219,321.04 : 335,642,986.70 = 131,710,354.10 : x
  2. Step 2: Convert to fraction form
    243,219,321.04/335,642,986.70 = 131,710,354.10/x
  3. Step 3: Cross multiply
    243,219,321.04x = 335,642,986.70 × 131,710,354.10
  4. Step 4: Simplify right side
    243,219,321.04x = 44,207,656,630,281,768
  5. Step 5: Solve for x
    x = 44,207,656,630,281,768/243,219,321.04
  6. Step 6: Final answer
    x = 181,760,463.94

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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.