Home / 154,502,987.52-213,402,748.32-115,517,656.80

Finding the Fourth Proportional to 154,502,987.52, 213,402,748.32 and 115,517,656.80

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Solution

The fourth proportional to 154,502,987.52, 213,402,748.32 and 115,517,656.80 is: 159,555,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,502,987.52 : 213,402,748.32 = 115,517,656.80 : x
  2. Step 2: Convert to fraction form
    154,502,987.52/213,402,748.32 = 115,517,656.80/x
  3. Step 3: Cross multiply
    154,502,987.52x = 213,402,748.32 × 115,517,656.80
  4. Step 4: Simplify right side
    154,502,987.52x = 24,651,785,440,606,536
  5. Step 5: Solve for x
    x = 24,651,785,440,606,536/154,502,987.52
  6. Step 6: Final answer
    x = 159,555,396.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.