Home / 438,057,937.60-657,044,203.20-114,941,809.60

Finding the Fourth Proportional to 438,057,937.60, 657,044,203.20 and 114,941,809.60

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Solution

The fourth proportional to 438,057,937.60, 657,044,203.20 and 114,941,809.60 is: 172,401,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,057,937.60 : 657,044,203.20 = 114,941,809.60 : x
  2. Step 2: Convert to fraction form
    438,057,937.60/657,044,203.20 = 114,941,809.60/x
  3. Step 3: Cross multiply
    438,057,937.60x = 657,044,203.20 × 114,941,809.60
  4. Step 4: Simplify right side
    438,057,937.60x = 75,521,849,702,998,112
  5. Step 5: Solve for x
    x = 75,521,849,702,998,112/438,057,937.60
  6. Step 6: Final answer
    x = 172,401,509.53

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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.