Home / 59,373,872.80-89,060,809.20-18,985,674.40

Finding the Fourth Proportional to 59,373,872.80, 89,060,809.20 and 18,985,674.40

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Solution

The fourth proportional to 59,373,872.80, 89,060,809.20 and 18,985,674.40 is: 28,478,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,373,872.80 : 89,060,809.20 = 18,985,674.40 : x
  2. Step 2: Convert to fraction form
    59,373,872.80/89,060,809.20 = 18,985,674.40/x
  3. Step 3: Cross multiply
    59,373,872.80x = 89,060,809.20 × 18,985,674.40
  4. Step 4: Simplify right side
    59,373,872.80x = 1,690,879,525,271,724.50
  5. Step 5: Solve for x
    x = 1,690,879,525,271,724.50/59,373,872.80
  6. Step 6: Final answer
    x = 28,478,511.60

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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.