Home / 320,798,718.56-442,690,377.36-174,117,853.28

Finding the Fourth Proportional to 320,798,718.56, 442,690,377.36 and 174,117,853.28

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Solution

The fourth proportional to 320,798,718.56, 442,690,377.36 and 174,117,853.28 is: 240,276,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,718.56 : 442,690,377.36 = 174,117,853.28 : x
  2. Step 2: Convert to fraction form
    320,798,718.56/442,690,377.36 = 174,117,853.28/x
  3. Step 3: Cross multiply
    320,798,718.56x = 442,690,377.36 × 174,117,853.28
  4. Step 4: Simplify right side
    320,798,718.56x = 77,080,298,173,636,320
  5. Step 5: Solve for x
    x = 77,080,298,173,636,320/320,798,718.56
  6. Step 6: Final answer
    x = 240,276,203.47

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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.