Home / 152,388,811.37-210,314,005.33-85,425,855.52

Finding the Fourth Proportional to 152,388,811.37, 210,314,005.33 and 85,425,855.52

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Solution

The fourth proportional to 152,388,811.37, 210,314,005.33 and 85,425,855.52 is: 117,897,460.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,388,811.37 : 210,314,005.33 = 85,425,855.52 : x
  2. Step 2: Convert to fraction form
    152,388,811.37/210,314,005.33 = 85,425,855.52/x
  3. Step 3: Cross multiply
    152,388,811.37x = 210,314,005.33 × 85,425,855.52
  4. Step 4: Simplify right side
    152,388,811.37x = 17,966,253,832,815,240
  5. Step 5: Solve for x
    x = 17,966,253,832,815,240/152,388,811.37
  6. Step 6: Final answer
    x = 117,897,460.26

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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.