Home / 164,807,996.40-247,211,994.60-100,238,425.20

Finding the Fourth Proportional to 164,807,996.40, 247,211,994.60 and 100,238,425.20

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Solution

The fourth proportional to 164,807,996.40, 247,211,994.60 and 100,238,425.20 is: 150,357,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,807,996.40 : 247,211,994.60 = 100,238,425.20 : x
  2. Step 2: Convert to fraction form
    164,807,996.40/247,211,994.60 = 100,238,425.20/x
  3. Step 3: Cross multiply
    164,807,996.40x = 247,211,994.60 × 100,238,425.20
  4. Step 4: Simplify right side
    164,807,996.40x = 24,780,141,029,254,904
  5. Step 5: Solve for x
    x = 24,780,141,029,254,904/164,807,996.40
  6. Step 6: Final answer
    x = 150,357,637.80

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1.5x scale

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.