Home / 205,712,400.60-283,802,297.16-117,559,105.31

Finding the Fourth Proportional to 205,712,400.60, 283,802,297.16 and 117,559,105.31

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Solution

The fourth proportional to 205,712,400.60, 283,802,297.16 and 117,559,105.31 is: 162,185,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,712,400.60 : 283,802,297.16 = 117,559,105.31 : x
  2. Step 2: Convert to fraction form
    205,712,400.60/283,802,297.16 = 117,559,105.31/x
  3. Step 3: Cross multiply
    205,712,400.60x = 283,802,297.16 × 117,559,105.31
  4. Step 4: Simplify right side
    205,712,400.60x = 33,363,544,140,202,704
  5. Step 5: Solve for x
    x = 33,363,544,140,202,704/205,712,400.60
  6. Step 6: Final answer
    x = 162,185,381.35

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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.