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Finding the Fourth Proportional to 224,447,864.32, 309,951,970.80 and 212,220,084.80

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Solution

The fourth proportional to 224,447,864.32, 309,951,970.80 and 212,220,084.80 is: 293,065,980.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,447,864.32 : 309,951,970.80 = 212,220,084.80 : x
  2. Step 2: Convert to fraction form
    224,447,864.32/309,951,970.80 = 212,220,084.80/x
  3. Step 3: Cross multiply
    224,447,864.32x = 309,951,970.80 × 212,220,084.80
  4. Step 4: Simplify right side
    224,447,864.32x = 65,778,033,527,103,128
  5. Step 5: Solve for x
    x = 65,778,033,527,103,128/224,447,864.32
  6. Step 6: Final answer
    x = 293,065,980.94

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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.