Home / 124,227,085.32-171,434,057.85-72,047,058.66

Finding the Fourth Proportional to 124,227,085.32, 171,434,057.85 and 72,047,058.66

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Solution

The fourth proportional to 124,227,085.32, 171,434,057.85 and 72,047,058.66 is: 99,425,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,227,085.32 : 171,434,057.85 = 72,047,058.66 : x
  2. Step 2: Convert to fraction form
    124,227,085.32/171,434,057.85 = 72,047,058.66/x
  3. Step 3: Cross multiply
    124,227,085.32x = 171,434,057.85 × 72,047,058.66
  4. Step 4: Simplify right side
    124,227,085.32x = 12,351,319,622,240,782
  5. Step 5: Solve for x
    x = 12,351,319,622,240,782/124,227,085.32
  6. Step 6: Final answer
    x = 99,425,335.39

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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.