Home / 66,426,658.20-99,639,987.30-48,286,805.40

Finding the Fourth Proportional to 66,426,658.20, 99,639,987.30 and 48,286,805.40

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Solution

The fourth proportional to 66,426,658.20, 99,639,987.30 and 48,286,805.40 is: 72,430,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,658.20 : 99,639,987.30 = 48,286,805.40 : x
  2. Step 2: Convert to fraction form
    66,426,658.20/99,639,987.30 = 48,286,805.40/x
  3. Step 3: Cross multiply
    66,426,658.20x = 99,639,987.30 × 48,286,805.40
  4. Step 4: Simplify right side
    66,426,658.20x = 4,811,296,676,813,571
  5. Step 5: Solve for x
    x = 4,811,296,676,813,571/66,426,658.20
  6. Step 6: Final answer
    x = 72,430,208.10

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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.