Home / 152,633,100.87-210,614,561.64-103,181,072.40

Finding the Fourth Proportional to 152,633,100.87, 210,614,561.64 and 103,181,072.40

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Solution

The fourth proportional to 152,633,100.87, 210,614,561.64 and 103,181,072.40 is: 142,376,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,633,100.87 : 210,614,561.64 = 103,181,072.40 : x
  2. Step 2: Convert to fraction form
    152,633,100.87/210,614,561.64 = 103,181,072.40/x
  3. Step 3: Cross multiply
    152,633,100.87x = 210,614,561.64 × 103,181,072.40
  4. Step 4: Simplify right side
    152,633,100.87x = 21,731,436,333,071,104
  5. Step 5: Solve for x
    x = 21,731,436,333,071,104/152,633,100.87
  6. Step 6: Final answer
    x = 142,376,956.30

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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.