Home / 43,570,001.60-65,355,002.40-40,285,419.20

Finding the Fourth Proportional to 43,570,001.60, 65,355,002.40 and 40,285,419.20

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Solution

The fourth proportional to 43,570,001.60, 65,355,002.40 and 40,285,419.20 is: 60,428,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,570,001.60 : 65,355,002.40 = 40,285,419.20 : x
  2. Step 2: Convert to fraction form
    43,570,001.60/65,355,002.40 = 40,285,419.20/x
  3. Step 3: Cross multiply
    43,570,001.60x = 65,355,002.40 × 40,285,419.20
  4. Step 4: Simplify right side
    43,570,001.60x = 2,632,853,668,501,006
  5. Step 5: Solve for x
    x = 2,632,853,668,501,006/43,570,001.60
  6. Step 6: Final answer
    x = 60,428,128.80

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1.5x scale

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.