Home / 117,464,597.60-176,126,912.40-72,058,978.40

Finding the Fourth Proportional to 117,464,597.60, 176,126,912.40 and 72,058,978.40

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Solution

The fourth proportional to 117,464,597.60, 176,126,912.40 and 72,058,978.40 is: 108,045,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464,597.60 : 176,126,912.40 = 72,058,978.40 : x
  2. Step 2: Convert to fraction form
    117,464,597.60/176,126,912.40 = 72,058,978.40/x
  3. Step 3: Cross multiply
    117,464,597.60x = 176,126,912.40 × 72,058,978.40
  4. Step 4: Simplify right side
    117,464,597.60x = 12,691,525,376,290,294
  5. Step 5: Solve for x
    x = 12,691,525,376,290,294/117,464,597.60
  6. Step 6: Final answer
    x = 108,045,535.72

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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.