Home / 48,271,870.20-72,407,805.30-28,872,305.40

Finding the Fourth Proportional to 48,271,870.20, 72,407,805.30 and 28,872,305.40

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Solution

The fourth proportional to 48,271,870.20, 72,407,805.30 and 28,872,305.40 is: 43,308,458.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271,870.20 : 72,407,805.30 = 28,872,305.40 : x
  2. Step 2: Convert to fraction form
    48,271,870.20/72,407,805.30 = 28,872,305.40/x
  3. Step 3: Cross multiply
    48,271,870.20x = 72,407,805.30 × 28,872,305.40
  4. Step 4: Simplify right side
    48,271,870.20x = 2,090,580,267,965,338.50
  5. Step 5: Solve for x
    x = 2,090,580,267,965,338.50/48,271,870.20
  6. Step 6: Final answer
    x = 43,308,458.10

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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.