Home / 117,711,051.72-176,405,152.37-74,503,126.95

Finding the Fourth Proportional to 117,711,051.72, 176,405,152.37 and 74,503,126.95

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Solution

The fourth proportional to 117,711,051.72, 176,405,152.37 and 74,503,126.95 is: 111,652,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,711,051.72 : 176,405,152.37 = 74,503,126.95 : x
  2. Step 2: Convert to fraction form
    117,711,051.72/176,405,152.37 = 74,503,126.95/x
  3. Step 3: Cross multiply
    117,711,051.72x = 176,405,152.37 × 74,503,126.95
  4. Step 4: Simplify right side
    117,711,051.72x = 13,142,735,461,283,688
  5. Step 5: Solve for x
    x = 13,142,735,461,283,688/117,711,051.72
  6. Step 6: Final answer
    x = 111,652,519.19

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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.