Home / 152,178,760.50-210,007,214.37-82,564,450.98

Finding the Fourth Proportional to 152,178,760.50, 210,007,214.37 and 82,564,450.98

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Solution

The fourth proportional to 152,178,760.50, 210,007,214.37 and 82,564,450.98 is: 113,939,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,178,760.50 : 210,007,214.37 = 82,564,450.98 : x
  2. Step 2: Convert to fraction form
    152,178,760.50/210,007,214.37 = 82,564,450.98/x
  3. Step 3: Cross multiply
    152,178,760.50x = 210,007,214.37 × 82,564,450.98
  4. Step 4: Simplify right side
    152,178,760.50x = 17,339,130,356,298,218
  5. Step 5: Solve for x
    x = 17,339,130,356,298,218/152,178,760.50
  6. Step 6: Final answer
    x = 113,939,227.13

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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.