Home / 320,798,718.06-442,690,376.67-174,117,852.78

Finding the Fourth Proportional to 320,798,718.06, 442,690,376.67 and 174,117,852.78

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Solution

The fourth proportional to 320,798,718.06, 442,690,376.67 and 174,117,852.78 is: 240,276,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,798,718.06 : 442,690,376.67 = 174,117,852.78 : x
  2. Step 2: Convert to fraction form
    320,798,718.06/442,690,376.67 = 174,117,852.78/x
  3. Step 3: Cross multiply
    320,798,718.06x = 442,690,376.67 × 174,117,852.78
  4. Step 4: Simplify right side
    320,798,718.06x = 77,080,297,832,149,808
  5. Step 5: Solve for x
    x = 77,080,297,832,149,808/320,798,718.06
  6. Step 6: Final answer
    x = 240,276,202.78

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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.