Home / 71,384,368.52-98,510,187.11-40,450,434.50

Finding the Fourth Proportional to 71,384,368.52, 98,510,187.11 and 40,450,434.50

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Solution

The fourth proportional to 71,384,368.52, 98,510,187.11 and 40,450,434.50 is: 55,821,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,384,368.52 : 98,510,187.11 = 40,450,434.50 : x
  2. Step 2: Convert to fraction form
    71,384,368.52/98,510,187.11 = 40,450,434.50/x
  3. Step 3: Cross multiply
    71,384,368.52x = 98,510,187.11 × 40,450,434.50
  4. Step 4: Simplify right side
    71,384,368.52x = 3,984,779,871,319,822.50
  5. Step 5: Solve for x
    x = 3,984,779,871,319,822.50/71,384,368.52
  6. Step 6: Final answer
    x = 55,821,462.79

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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.