Home / 113,533,602.72-156,744,431.06-74,443,570.44

Finding the Fourth Proportional to 113,533,602.72, 156,744,431.06 and 74,443,570.44

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Solution

The fourth proportional to 113,533,602.72, 156,744,431.06 and 74,443,570.44 is: 102,776,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,533,602.72 : 156,744,431.06 = 74,443,570.44 : x
  2. Step 2: Convert to fraction form
    113,533,602.72/156,744,431.06 = 74,443,570.44/x
  3. Step 3: Cross multiply
    113,533,602.72x = 156,744,431.06 × 74,443,570.44
  4. Step 4: Simplify right side
    113,533,602.72x = 11,668,615,094,692,834
  5. Step 5: Solve for x
    x = 11,668,615,094,692,834/113,533,602.72
  6. Step 6: Final answer
    x = 102,776,753.45

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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.