Home / 108,009,430.12-161,995,871.63-30,268,441.92

Finding the Fourth Proportional to 108,009,430.12, 161,995,871.63 and 30,268,441.92

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Solution

The fourth proportional to 108,009,430.12, 161,995,871.63 and 30,268,441.92 is: 45,397,541.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009,430.12 : 161,995,871.63 = 30,268,441.92 : x
  2. Step 2: Convert to fraction form
    108,009,430.12/161,995,871.63 = 30,268,441.92/x
  3. Step 3: Cross multiply
    108,009,430.12x = 161,995,871.63 × 30,268,441.92
  4. Step 4: Simplify right side
    108,009,430.12x = 4,903,362,631,712,431
  5. Step 5: Solve for x
    x = 4,903,362,631,712,431/108,009,430.12
  6. Step 6: Final answer
    x = 45,397,541.92

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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.