Home / 48,271,877.20-72,407,815.80-28,872,312.40

Finding the Fourth Proportional to 48,271,877.20, 72,407,815.80 and 28,872,312.40

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Solution

The fourth proportional to 48,271,877.20, 72,407,815.80 and 28,872,312.40 is: 43,308,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,271,877.20 : 72,407,815.80 = 28,872,312.40 : x
  2. Step 2: Convert to fraction form
    48,271,877.20/72,407,815.80 = 28,872,312.40/x
  3. Step 3: Cross multiply
    48,271,877.20x = 72,407,815.80 × 28,872,312.40
  4. Step 4: Simplify right side
    48,271,877.20x = 2,090,581,077,979,255.75
  5. Step 5: Solve for x
    x = 2,090,581,077,979,255.75/48,271,877.20
  6. Step 6: Final answer
    x = 43,308,468.60

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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.