Home / 71,769,514.64-99,042,428.43-40,829,683.92

Finding the Fourth Proportional to 71,769,514.64, 99,042,428.43 and 40,829,683.92

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Solution

The fourth proportional to 71,769,514.64, 99,042,428.43 and 40,829,683.92 is: 56,345,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,769,514.64 : 99,042,428.43 = 40,829,683.92 : x
  2. Step 2: Convert to fraction form
    71,769,514.64/99,042,428.43 = 40,829,683.92/x
  3. Step 3: Cross multiply
    71,769,514.64x = 99,042,428.43 × 40,829,683.92
  4. Step 4: Simplify right side
    71,769,514.64x = 4,043,871,047,651,826.50
  5. Step 5: Solve for x
    x = 4,043,871,047,651,826.50/71,769,514.64
  6. Step 6: Final answer
    x = 56,345,247.25

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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.