Home / 210,662,368.87-316,118,388.12-117,367,429.07

Finding the Fourth Proportional to 210,662,368.87, 316,118,388.12 and 117,367,429.07

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Solution

The fourth proportional to 210,662,368.87, 316,118,388.12 and 117,367,429.07 is: 176,120,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,662,368.87 : 316,118,388.12 = 117,367,429.07 : x
  2. Step 2: Convert to fraction form
    210,662,368.87/316,118,388.12 = 117,367,429.07/x
  3. Step 3: Cross multiply
    210,662,368.87x = 316,118,388.12 × 117,367,429.07
  4. Step 4: Simplify right side
    210,662,368.87x = 37,102,002,494,902,920
  5. Step 5: Solve for x
    x = 37,102,002,494,902,920/210,662,368.87
  6. Step 6: Final answer
    x = 176,120,693.48

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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.