Home / 79,442,909.21-109,640,399.76-46,411,415.25

Finding the Fourth Proportional to 79,442,909.21, 109,640,399.76 and 46,411,415.25

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Solution

The fourth proportional to 79,442,909.21, 109,640,399.76 and 46,411,415.25 is: 64,053,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442,909.21 : 109,640,399.76 = 46,411,415.25 : x
  2. Step 2: Convert to fraction form
    79,442,909.21/109,640,399.76 = 46,411,415.25/x
  3. Step 3: Cross multiply
    79,442,909.21x = 109,640,399.76 × 46,411,415.25
  4. Step 4: Simplify right side
    79,442,909.21x = 5,088,566,121,437,361
  5. Step 5: Solve for x
    x = 5,088,566,121,437,361/79,442,909.21
  6. Step 6: Final answer
    x = 64,053,119.06

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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.