Home / 66,530,260.40-99,795,390.60-61,553,620.40

Finding the Fourth Proportional to 66,530,260.40, 99,795,390.60 and 61,553,620.40

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Solution

The fourth proportional to 66,530,260.40, 99,795,390.60 and 61,553,620.40 is: 92,330,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530,260.40 : 99,795,390.60 = 61,553,620.40 : x
  2. Step 2: Convert to fraction form
    66,530,260.40/99,795,390.60 = 61,553,620.40/x
  3. Step 3: Cross multiply
    66,530,260.40x = 99,795,390.60 × 61,553,620.40
  4. Step 4: Simplify right side
    66,530,260.40x = 6,142,767,590,662,128
  5. Step 5: Solve for x
    x = 6,142,767,590,662,128/66,530,260.40
  6. Step 6: Final answer
    x = 92,330,430.60

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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.