Home / 256,699,416.60-385,049,124.90-154,662,744.60

Finding the Fourth Proportional to 256,699,416.60, 385,049,124.90 and 154,662,744.60

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Solution

The fourth proportional to 256,699,416.60, 385,049,124.90 and 154,662,744.60 is: 231,994,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,699,416.60 : 385,049,124.90 = 154,662,744.60 : x
  2. Step 2: Convert to fraction form
    256,699,416.60/385,049,124.90 = 154,662,744.60/x
  3. Step 3: Cross multiply
    256,699,416.60x = 385,049,124.90 × 154,662,744.60
  4. Step 4: Simplify right side
    256,699,416.60x = 59,552,754,462,862,192
  5. Step 5: Solve for x
    x = 59,552,754,462,862,192/256,699,416.60
  6. Step 6: Final answer
    x = 231,994,116.90

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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.