Home / 51,308,719.50-70,813,078.65-31,458,975.33

Finding the Fourth Proportional to 51,308,719.50, 70,813,078.65 and 31,458,975.33

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Solution

The fourth proportional to 51,308,719.50, 70,813,078.65 and 31,458,975.33 is: 43,417,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,308,719.50 : 70,813,078.65 = 31,458,975.33 : x
  2. Step 2: Convert to fraction form
    51,308,719.50/70,813,078.65 = 31,458,975.33/x
  3. Step 3: Cross multiply
    51,308,719.50x = 70,813,078.65 × 31,458,975.33
  4. Step 4: Simplify right side
    51,308,719.50x = 2,227,706,894,291,699.75
  5. Step 5: Solve for x
    x = 2,227,706,894,291,699.75/51,308,719.50
  6. Step 6: Final answer
    x = 43,417,705.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.