Home / 191,859,346.31-287,786,345.85-46,291,685.90

Finding the Fourth Proportional to 191,859,346.31, 287,786,345.85 and 46,291,685.90

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Solution

The fourth proportional to 191,859,346.31, 287,786,345.85 and 46,291,685.90 is: 69,436,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,859,346.31 : 287,786,345.85 = 46,291,685.90 : x
  2. Step 2: Convert to fraction form
    191,859,346.31/287,786,345.85 = 46,291,685.90/x
  3. Step 3: Cross multiply
    191,859,346.31x = 287,786,345.85 × 46,291,685.90
  4. Step 4: Simplify right side
    191,859,346.31x = 13,322,115,126,958,038
  5. Step 5: Solve for x
    x = 13,322,115,126,958,038/191,859,346.31
  6. Step 6: Final answer
    x = 69,436,883.76

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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.