Home / 90,239,415.66-135,364,372.29-25,537,807.98

Finding the Fourth Proportional to 90,239,415.66, 135,364,372.29 and 25,537,807.98

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Solution

The fourth proportional to 90,239,415.66, 135,364,372.29 and 25,537,807.98 is: 38,308,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,239,415.66 : 135,364,372.29 = 25,537,807.98 : x
  2. Step 2: Convert to fraction form
    90,239,415.66/135,364,372.29 = 25,537,807.98/x
  3. Step 3: Cross multiply
    90,239,415.66x = 135,364,372.29 × 25,537,807.98
  4. Step 4: Simplify right side
    90,239,415.66x = 3,456,909,346,875,252.50
  5. Step 5: Solve for x
    x = 3,456,909,346,875,252.50/90,239,415.66
  6. Step 6: Final answer
    x = 38,308,197.38

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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.