Home / 53,149,737.60-79,724,606.40-12,760,221.60

Finding the Fourth Proportional to 53,149,737.60, 79,724,606.40 and 12,760,221.60

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Solution

The fourth proportional to 53,149,737.60, 79,724,606.40 and 12,760,221.60 is: 19,140,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149,737.60 : 79,724,606.40 = 12,760,221.60 : x
  2. Step 2: Convert to fraction form
    53,149,737.60/79,724,606.40 = 12,760,221.60/x
  3. Step 3: Cross multiply
    53,149,737.60x = 79,724,606.40 × 12,760,221.60
  4. Step 4: Simplify right side
    53,149,737.60x = 1,017,303,644,636,778.25
  5. Step 5: Solve for x
    x = 1,017,303,644,636,778.25/53,149,737.60
  6. Step 6: Final answer
    x = 19,140,332.40

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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.