Home / 66,432,015.60-99,648,023.40-48,363,021.60

Finding the Fourth Proportional to 66,432,015.60, 99,648,023.40 and 48,363,021.60

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Solution

The fourth proportional to 66,432,015.60, 99,648,023.40 and 48,363,021.60 is: 72,544,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,015.60 : 99,648,023.40 = 48,363,021.60 : x
  2. Step 2: Convert to fraction form
    66,432,015.60/99,648,023.40 = 48,363,021.60/x
  3. Step 3: Cross multiply
    66,432,015.60x = 99,648,023.40 × 48,363,021.60
  4. Step 4: Simplify right side
    66,432,015.60x = 4,819,279,508,091,506
  5. Step 5: Solve for x
    x = 4,819,279,508,091,506/66,432,015.60
  6. Step 6: Final answer
    x = 72,544,532.40

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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.