Home / 53,488,020.40-80,232,030.60-49,874,221.60

Finding the Fourth Proportional to 53,488,020.40, 80,232,030.60 and 49,874,221.60

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Solution

The fourth proportional to 53,488,020.40, 80,232,030.60 and 49,874,221.60 is: 74,811,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488,020.40 : 80,232,030.60 = 49,874,221.60 : x
  2. Step 2: Convert to fraction form
    53,488,020.40/80,232,030.60 = 49,874,221.60/x
  3. Step 3: Cross multiply
    53,488,020.40x = 80,232,030.60 × 49,874,221.60
  4. Step 4: Simplify right side
    53,488,020.40x = 4,001,510,073,562,381
  5. Step 5: Solve for x
    x = 4,001,510,073,562,381/53,488,020.40
  6. Step 6: Final answer
    x = 74,811,332.40

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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.