Home / 118,052,631.03-162,912,848.22-65,845,031.78

Finding the Fourth Proportional to 118,052,631.03, 162,912,848.22 and 65,845,031.78

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Solution

The fourth proportional to 118,052,631.03, 162,912,848.22 and 65,845,031.78 is: 90,866,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,052,631.03 : 162,912,848.22 = 65,845,031.78 : x
  2. Step 2: Convert to fraction form
    118,052,631.03/162,912,848.22 = 65,845,031.78/x
  3. Step 3: Cross multiply
    118,052,631.03x = 162,912,848.22 × 65,845,031.78
  4. Step 4: Simplify right side
    118,052,631.03x = 10,727,001,667,601,652
  5. Step 5: Solve for x
    x = 10,727,001,667,601,652/118,052,631.03
  6. Step 6: Final answer
    x = 90,866,265.11

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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.