Home / 211,169,677.76-316,345,942.97-118,772,681.20

Finding the Fourth Proportional to 211,169,677.76, 316,345,942.97 and 118,772,681.20

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Solution

The fourth proportional to 211,169,677.76, 316,345,942.97 and 118,772,681.20 is: 177,929,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,169,677.76 : 316,345,942.97 = 118,772,681.20 : x
  2. Step 2: Convert to fraction form
    211,169,677.76/316,345,942.97 = 118,772,681.20/x
  3. Step 3: Cross multiply
    211,169,677.76x = 316,345,942.97 × 118,772,681.20
  4. Step 4: Simplify right side
    211,169,677.76x = 37,573,255,832,351,048
  5. Step 5: Solve for x
    x = 37,573,255,832,351,048/211,169,677.76
  6. Step 6: Final answer
    x = 177,929,218.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.