Home / 191,623,216.80-287,056,911.60-114,717,799.20

Finding the Fourth Proportional to 191,623,216.80, 287,056,911.60 and 114,717,799.20

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Solution

The fourth proportional to 191,623,216.80, 287,056,911.60 and 114,717,799.20 is: 171,850,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,623,216.80 : 287,056,911.60 = 114,717,799.20 : x
  2. Step 2: Convert to fraction form
    191,623,216.80/287,056,911.60 = 114,717,799.20/x
  3. Step 3: Cross multiply
    191,623,216.80x = 287,056,911.60 × 114,717,799.20
  4. Step 4: Simplify right side
    191,623,216.80x = 32,930,537,143,900,956
  5. Step 5: Solve for x
    x = 32,930,537,143,900,956/191,623,216.80
  6. Step 6: Final answer
    x = 171,850,455.77

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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.