Home / 66,180,465.60-99,351,568.80-37,446,590.40

Finding the Fourth Proportional to 66,180,465.60, 99,351,568.80 and 37,446,590.40

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Solution

The fourth proportional to 66,180,465.60, 99,351,568.80 and 37,446,590.40 is: 56,215,644.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180,465.60 : 99,351,568.80 = 37,446,590.40 : x
  2. Step 2: Convert to fraction form
    66,180,465.60/99,351,568.80 = 37,446,590.40/x
  3. Step 3: Cross multiply
    66,180,465.60x = 99,351,568.80 × 37,446,590.40
  4. Step 4: Simplify right side
    66,180,465.60x = 3,720,377,502,451,019.50
  5. Step 5: Solve for x
    x = 3,720,377,502,451,019.50/66,180,465.60
  6. Step 6: Final answer
    x = 56,215,644.13

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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.