Home / 105,871,998.80-158,807,998.20-45,293,848.40

Finding the Fourth Proportional to 105,871,998.80, 158,807,998.20 and 45,293,848.40

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Solution

The fourth proportional to 105,871,998.80, 158,807,998.20 and 45,293,848.40 is: 67,940,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,871,998.80 : 158,807,998.20 = 45,293,848.40 : x
  2. Step 2: Convert to fraction form
    105,871,998.80/158,807,998.20 = 45,293,848.40/x
  3. Step 3: Cross multiply
    105,871,998.80x = 158,807,998.20 × 45,293,848.40
  4. Step 4: Simplify right side
    105,871,998.80x = 7,193,025,395,178,272
  5. Step 5: Solve for x
    x = 7,193,025,395,178,272/105,871,998.80
  6. Step 6: Final answer
    x = 67,940,772.60

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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.