Home / 108,871,258.40-163,306,887.60-48,286,984.40

Finding the Fourth Proportional to 108,871,258.40, 163,306,887.60 and 48,286,984.40

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Solution

The fourth proportional to 108,871,258.40, 163,306,887.60 and 48,286,984.40 is: 72,430,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,258.40 : 163,306,887.60 = 48,286,984.40 : x
  2. Step 2: Convert to fraction form
    108,871,258.40/163,306,887.60 = 48,286,984.40/x
  3. Step 3: Cross multiply
    108,871,258.40x = 163,306,887.60 × 48,286,984.40
  4. Step 4: Simplify right side
    108,871,258.40x = 7,885,597,133,953,753
  5. Step 5: Solve for x
    x = 7,885,597,133,953,753/108,871,258.40
  6. Step 6: Final answer
    x = 72,430,476.60

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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.