Home / 66,538,081.60-99,699,813.60-37,698,452.80

Finding the Fourth Proportional to 66,538,081.60, 99,699,813.60 and 37,698,452.80

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Solution

The fourth proportional to 66,538,081.60, 99,699,813.60 and 37,698,452.80 is: 56,486,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538,081.60 : 99,699,813.60 = 37,698,452.80 : x
  2. Step 2: Convert to fraction form
    66,538,081.60/99,699,813.60 = 37,698,452.80/x
  3. Step 3: Cross multiply
    66,538,081.60x = 99,699,813.60 × 37,698,452.80
  4. Step 4: Simplify right side
    66,538,081.60x = 3,758,528,717,168,397.50
  5. Step 5: Solve for x
    x = 3,758,528,717,168,397.50/66,538,081.60
  6. Step 6: Final answer
    x = 56,486,881.30

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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.