Home / 43,830,016.60-65,745,024.90-21,155,200.60

Finding the Fourth Proportional to 43,830,016.60, 65,745,024.90 and 21,155,200.60

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Solution

The fourth proportional to 43,830,016.60, 65,745,024.90 and 21,155,200.60 is: 31,732,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830,016.60 : 65,745,024.90 = 21,155,200.60 : x
  2. Step 2: Convert to fraction form
    43,830,016.60/65,745,024.90 = 21,155,200.60/x
  3. Step 3: Cross multiply
    43,830,016.60x = 65,745,024.90 × 21,155,200.60
  4. Step 4: Simplify right side
    43,830,016.60x = 1,390,849,190,211,495
  5. Step 5: Solve for x
    x = 1,390,849,190,211,495/43,830,016.60
  6. Step 6: Final answer
    x = 31,732,800.90

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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.