Home / 53,121,971.10-79,682,956.65-48,587,007.90

Finding the Fourth Proportional to 53,121,971.10, 79,682,956.65 and 48,587,007.90

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Solution

The fourth proportional to 53,121,971.10, 79,682,956.65 and 48,587,007.90 is: 72,880,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121,971.10 : 79,682,956.65 = 48,587,007.90 : x
  2. Step 2: Convert to fraction form
    53,121,971.10/79,682,956.65 = 48,587,007.90/x
  3. Step 3: Cross multiply
    53,121,971.10x = 79,682,956.65 × 48,587,007.90
  4. Step 4: Simplify right side
    53,121,971.10x = 3,871,556,444,248,907.50
  5. Step 5: Solve for x
    x = 3,871,556,444,248,907.50/53,121,971.10
  6. Step 6: Final answer
    x = 72,880,511.85

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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.