Home / 135,432,001.80-203,148,002.70-100,943,886.60

Finding the Fourth Proportional to 135,432,001.80, 203,148,002.70 and 100,943,886.60

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Solution

The fourth proportional to 135,432,001.80, 203,148,002.70 and 100,943,886.60 is: 151,415,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,432,001.80 : 203,148,002.70 = 100,943,886.60 : x
  2. Step 2: Convert to fraction form
    135,432,001.80/203,148,002.70 = 100,943,886.60/x
  3. Step 3: Cross multiply
    135,432,001.80x = 203,148,002.70 × 100,943,886.60
  4. Step 4: Simplify right side
    135,432,001.80x = 20,506,548,947,565,292
  5. Step 5: Solve for x
    x = 20,506,548,947,565,292/135,432,001.80
  6. Step 6: Final answer
    x = 151,415,829.90

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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.