Home / 152,955,463.05-229,501,002.51-80,154,935.10

Finding the Fourth Proportional to 152,955,463.05, 229,501,002.51 and 80,154,935.10

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Solution

The fourth proportional to 152,955,463.05, 229,501,002.51 and 80,154,935.10 is: 120,267,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955,463.05 : 229,501,002.51 = 80,154,935.10 : x
  2. Step 2: Convert to fraction form
    152,955,463.05/229,501,002.51 = 80,154,935.10/x
  3. Step 3: Cross multiply
    152,955,463.05x = 229,501,002.51 × 80,154,935.10
  4. Step 4: Simplify right side
    152,955,463.05x = 18,395,637,961,573,984
  5. Step 5: Solve for x
    x = 18,395,637,961,573,984/152,955,463.05
  6. Step 6: Final answer
    x = 120,267,936.79

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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.