Home / 66,426,731.70-99,640,097.55-48,286,878.90

Finding the Fourth Proportional to 66,426,731.70, 99,640,097.55 and 48,286,878.90

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Solution

The fourth proportional to 66,426,731.70, 99,640,097.55 and 48,286,878.90 is: 72,430,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,731.70 : 99,640,097.55 = 48,286,878.90 : x
  2. Step 2: Convert to fraction form
    66,426,731.70/99,640,097.55 = 48,286,878.90/x
  3. Step 3: Cross multiply
    66,426,731.70x = 99,640,097.55 × 48,286,878.90
  4. Step 4: Simplify right side
    66,426,731.70x = 4,811,309,323,981,036
  5. Step 5: Solve for x
    x = 4,811,309,323,981,036/66,426,731.70
  6. Step 6: Final answer
    x = 72,430,318.35

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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.