Home / 152,388,822.59-210,314,020.80-85,425,866.73

Finding the Fourth Proportional to 152,388,822.59, 210,314,020.80 and 85,425,866.73

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Solution

The fourth proportional to 152,388,822.59, 210,314,020.80 and 85,425,866.73 is: 117,897,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,388,822.59 : 210,314,020.80 = 85,425,866.73 : x
  2. Step 2: Convert to fraction form
    152,388,822.59/210,314,020.80 = 85,425,866.73/x
  3. Step 3: Cross multiply
    152,388,822.59x = 210,314,020.80 × 85,425,866.73
  4. Step 4: Simplify right side
    152,388,822.59x = 17,966,257,512,311,250
  5. Step 5: Solve for x
    x = 17,966,257,512,311,250/152,388,822.59
  6. Step 6: Final answer
    x = 117,897,475.73

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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.