Home / 212,956,537.23-319,402,834.50-67,371,181.29

Finding the Fourth Proportional to 212,956,537.23, 319,402,834.50 and 67,371,181.29

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Solution

The fourth proportional to 212,956,537.23, 319,402,834.50 and 67,371,181.29 is: 101,046,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,956,537.23 : 319,402,834.50 = 67,371,181.29 : x
  2. Step 2: Convert to fraction form
    212,956,537.23/319,402,834.50 = 67,371,181.29/x
  3. Step 3: Cross multiply
    212,956,537.23x = 319,402,834.50 × 67,371,181.29
  4. Step 4: Simplify right side
    212,956,537.23x = 21,518,546,267,639,368
  5. Step 5: Solve for x
    x = 21,518,546,267,639,368/212,956,537.23
  6. Step 6: Final answer
    x = 101,046,657.44

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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.