Home / 165,872,487.40-248,808,731.10-105,555,610.60

Finding the Fourth Proportional to 165,872,487.40, 248,808,731.10 and 105,555,610.60

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Solution

The fourth proportional to 165,872,487.40, 248,808,731.10 and 105,555,610.60 is: 158,333,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,872,487.40 : 248,808,731.10 = 105,555,610.60 : x
  2. Step 2: Convert to fraction form
    165,872,487.40/248,808,731.10 = 105,555,610.60/x
  3. Step 3: Cross multiply
    165,872,487.40x = 248,808,731.10 × 105,555,610.60
  4. Step 4: Simplify right side
    165,872,487.40x = 26,263,157,533,871,708
  5. Step 5: Solve for x
    x = 26,263,157,533,871,708/165,872,487.40
  6. Step 6: Final answer
    x = 158,333,415.90

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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.