Home / 72,073,251.86-99,460,594.64-39,032,741.12

Finding the Fourth Proportional to 72,073,251.86, 99,460,594.64 and 39,032,741.12

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Solution

The fourth proportional to 72,073,251.86, 99,460,594.64 and 39,032,741.12 is: 53,864,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,251.86 : 99,460,594.64 = 39,032,741.12 : x
  2. Step 2: Convert to fraction form
    72,073,251.86/99,460,594.64 = 39,032,741.12/x
  3. Step 3: Cross multiply
    72,073,251.86x = 99,460,594.64 × 39,032,741.12
  4. Step 4: Simplify right side
    72,073,251.86x = 3,882,219,641,531,913.50
  5. Step 5: Solve for x
    x = 3,882,219,641,531,913.50/72,073,251.86
  6. Step 6: Final answer
    x = 53,864,915.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.