Home / 257,443,838.60-386,184,420.30-154,987,262.60

Finding the Fourth Proportional to 257,443,838.60, 386,184,420.30 and 154,987,262.60

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Solution

The fourth proportional to 257,443,838.60, 386,184,420.30 and 154,987,262.60 is: 232,492,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,443,838.60 : 386,184,420.30 = 154,987,262.60 : x
  2. Step 2: Convert to fraction form
    257,443,838.60/386,184,420.30 = 154,987,262.60/x
  3. Step 3: Cross multiply
    257,443,838.60x = 386,184,420.30 × 154,987,262.60
  4. Step 4: Simplify right side
    257,443,838.60x = 59,853,666,161,064,872
  5. Step 5: Solve for x
    x = 59,853,666,161,064,872/257,443,838.60
  6. Step 6: Final answer
    x = 232,492,129.10

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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.