Home / 92,147,390.20-138,221,599.54-30,736,379.47

Finding the Fourth Proportional to 92,147,390.20, 138,221,599.54 and 30,736,379.47

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Solution

The fourth proportional to 92,147,390.20, 138,221,599.54 and 30,736,379.47 is: 46,104,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,147,390.20 : 138,221,599.54 = 30,736,379.47 : x
  2. Step 2: Convert to fraction form
    92,147,390.20/138,221,599.54 = 30,736,379.47/x
  3. Step 3: Cross multiply
    92,147,390.20x = 138,221,599.54 × 30,736,379.47
  4. Step 4: Simplify right side
    92,147,390.20x = 4,248,431,534,411,817
  5. Step 5: Solve for x
    x = 4,248,431,534,411,817/92,147,390.20
  6. Step 6: Final answer
    x = 46,104,740.74

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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.