Home / 191,610,419.85-287,411,493.56-53,432,346.33

Finding the Fourth Proportional to 191,610,419.85, 287,411,493.56 and 53,432,346.33

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Solution

The fourth proportional to 191,610,419.85, 287,411,493.56 and 53,432,346.33 is: 80,147,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,610,419.85 : 287,411,493.56 = 53,432,346.33 : x
  2. Step 2: Convert to fraction form
    191,610,419.85/287,411,493.56 = 53,432,346.33/x
  3. Step 3: Cross multiply
    191,610,419.85x = 287,411,493.56 × 53,432,346.33
  4. Step 4: Simplify right side
    191,610,419.85x = 15,357,070,462,853,322
  5. Step 5: Solve for x
    x = 15,357,070,462,853,322/191,610,419.85
  6. Step 6: Final answer
    x = 80,147,366.07

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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.