Home / 66,530,320.40-99,795,480.60-61,553,680.40

Finding the Fourth Proportional to 66,530,320.40, 99,795,480.60 and 61,553,680.40

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Solution

The fourth proportional to 66,530,320.40, 99,795,480.60 and 61,553,680.40 is: 92,330,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530,320.40 : 99,795,480.60 = 61,553,680.40 : x
  2. Step 2: Convert to fraction form
    66,530,320.40/99,795,480.60 = 61,553,680.40/x
  3. Step 3: Cross multiply
    66,530,320.40x = 99,795,480.60 × 61,553,680.40
  4. Step 4: Simplify right side
    66,530,320.40x = 6,142,779,118,216,800
  5. Step 5: Solve for x
    x = 6,142,779,118,216,800/66,530,320.40
  6. Step 6: Final answer
    x = 92,330,520.60

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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.