Home / 91,458,020.38-137,007,660.93-53,038,819.66

Finding the Fourth Proportional to 91,458,020.38, 137,007,660.93 and 53,038,819.66

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Solution

The fourth proportional to 91,458,020.38, 137,007,660.93 and 53,038,819.66 is: 79,454,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,458,020.38 : 137,007,660.93 = 53,038,819.66 : x
  2. Step 2: Convert to fraction form
    91,458,020.38/137,007,660.93 = 53,038,819.66/x
  3. Step 3: Cross multiply
    91,458,020.38x = 137,007,660.93 × 53,038,819.66
  4. Step 4: Simplify right side
    91,458,020.38x = 7,266,724,620,104,698
  5. Step 5: Solve for x
    x = 7,266,724,620,104,698/91,458,020.38
  6. Step 6: Final answer
    x = 79,454,208.50

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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.