Home / 438,058,101.60-657,044,449.20-114,941,973.60

Finding the Fourth Proportional to 438,058,101.60, 657,044,449.20 and 114,941,973.60

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Solution

The fourth proportional to 438,058,101.60, 657,044,449.20 and 114,941,973.60 is: 172,401,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,058,101.60 : 657,044,449.20 = 114,941,973.60 : x
  2. Step 2: Convert to fraction form
    438,058,101.60/657,044,449.20 = 114,941,973.60/x
  3. Step 3: Cross multiply
    438,058,101.60x = 657,044,449.20 × 114,941,973.60
  4. Step 4: Simplify right side
    438,058,101.60x = 75,521,985,733,972,944
  5. Step 5: Solve for x
    x = 75,521,985,733,972,944/438,058,101.60
  6. Step 6: Final answer
    x = 172,401,755.52

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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.