Home / 108,871,938.30-163,307,907.45-72,592,232.70

Finding the Fourth Proportional to 108,871,938.30, 163,307,907.45 and 72,592,232.70

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Solution

The fourth proportional to 108,871,938.30, 163,307,907.45 and 72,592,232.70 is: 108,888,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,871,938.30 : 163,307,907.45 = 72,592,232.70 : x
  2. Step 2: Convert to fraction form
    108,871,938.30/163,307,907.45 = 72,592,232.70/x
  3. Step 3: Cross multiply
    108,871,938.30x = 163,307,907.45 × 72,592,232.70
  4. Step 4: Simplify right side
    108,871,938.30x = 11,854,885,619,360,464
  5. Step 5: Solve for x
    x = 11,854,885,619,360,464/108,871,938.30
  6. Step 6: Final answer
    x = 108,888,349.05

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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.