Home / 66,037,368.60-98,972,072.10-58,815,019.80

Finding the Fourth Proportional to 66,037,368.60, 98,972,072.10 and 58,815,019.80

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Solution

The fourth proportional to 66,037,368.60, 98,972,072.10 and 58,815,019.80 is: 88,147,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037,368.60 : 98,972,072.10 = 58,815,019.80 : x
  2. Step 2: Convert to fraction form
    66,037,368.60/98,972,072.10 = 58,815,019.80/x
  3. Step 3: Cross multiply
    66,037,368.60x = 98,972,072.10 × 58,815,019.80
  4. Step 4: Simplify right side
    66,037,368.60x = 5,821,044,380,208,527
  5. Step 5: Solve for x
    x = 5,821,044,380,208,527/66,037,368.60
  6. Step 6: Final answer
    x = 88,147,733.68

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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.