Home / 43,308,374.34-64,724,792.40-31,661,265.02

Finding the Fourth Proportional to 43,308,374.34, 64,724,792.40 and 31,661,265.02

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Solution

The fourth proportional to 43,308,374.34, 64,724,792.40 and 31,661,265.02 is: 47,318,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,308,374.34 : 64,724,792.40 = 31,661,265.02 : x
  2. Step 2: Convert to fraction form
    43,308,374.34/64,724,792.40 = 31,661,265.02/x
  3. Step 3: Cross multiply
    43,308,374.34x = 64,724,792.40 × 31,661,265.02
  4. Step 4: Simplify right side
    43,308,374.34x = 2,049,268,805,540,881.75
  5. Step 5: Solve for x
    x = 2,049,268,805,540,881.75/43,308,374.34
  6. Step 6: Final answer
    x = 47,318,072.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.