Home / 45,219,844.40-67,830,176.66-12,871,734.21

Finding the Fourth Proportional to 45,219,844.40, 67,830,176.66 and 12,871,734.21

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Solution

The fourth proportional to 45,219,844.40, 67,830,176.66 and 12,871,734.21 is: 19,307,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219,844.40 : 67,830,176.66 = 12,871,734.21 : x
  2. Step 2: Convert to fraction form
    45,219,844.40/67,830,176.66 = 12,871,734.21/x
  3. Step 3: Cross multiply
    45,219,844.40x = 67,830,176.66 × 12,871,734.21
  4. Step 4: Simplify right side
    45,219,844.40x = 873,092,005,320,507
  5. Step 5: Solve for x
    x = 873,092,005,320,507/45,219,844.40
  6. Step 6: Final answer
    x = 19,307,718.04

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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.