Home / 205,121,237.40-283,067,177.58-112,301,720.64

Finding the Fourth Proportional to 205,121,237.40, 283,067,177.58 and 112,301,720.64

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Solution

The fourth proportional to 205,121,237.40, 283,067,177.58 and 112,301,720.64 is: 154,976,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,121,237.40 : 283,067,177.58 = 112,301,720.64 : x
  2. Step 2: Convert to fraction form
    205,121,237.40/283,067,177.58 = 112,301,720.64/x
  3. Step 3: Cross multiply
    205,121,237.40x = 283,067,177.58 × 112,301,720.64
  4. Step 4: Simplify right side
    205,121,237.40x = 31,788,931,098,942,428
  5. Step 5: Solve for x
    x = 31,788,931,098,942,428/205,121,237.40
  6. Step 6: Final answer
    x = 154,976,303.29

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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.