Home / 66,448,257.60-99,672,386.40-65,552,462.40

Finding the Fourth Proportional to 66,448,257.60, 99,672,386.40 and 65,552,462.40

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Solution

The fourth proportional to 66,448,257.60, 99,672,386.40 and 65,552,462.40 is: 98,328,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448,257.60 : 99,672,386.40 = 65,552,462.40 : x
  2. Step 2: Convert to fraction form
    66,448,257.60/99,672,386.40 = 65,552,462.40/x
  3. Step 3: Cross multiply
    66,448,257.60x = 99,672,386.40 × 65,552,462.40
  4. Step 4: Simplify right side
    66,448,257.60x = 6,533,770,361,804,272
  5. Step 5: Solve for x
    x = 6,533,770,361,804,272/66,448,257.60
  6. Step 6: Final answer
    x = 98,328,693.60

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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.