Home / 66,438,645.60-99,657,968.40-36,205,557.60

Finding the Fourth Proportional to 66,438,645.60, 99,657,968.40 and 36,205,557.60

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Solution

The fourth proportional to 66,438,645.60, 99,657,968.40 and 36,205,557.60 is: 54,308,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,645.60 : 99,657,968.40 = 36,205,557.60 : x
  2. Step 2: Convert to fraction form
    66,438,645.60/99,657,968.40 = 36,205,557.60/x
  3. Step 3: Cross multiply
    66,438,645.60x = 99,657,968.40 × 36,205,557.60
  4. Step 4: Simplify right side
    66,438,645.60x = 3,608,172,315,205,180
  5. Step 5: Solve for x
    x = 3,608,172,315,205,180/66,438,645.60
  6. Step 6: Final answer
    x = 54,308,336.40

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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.