Home / 307,250,822.72-424,038,994.20-188,252,387.32

Finding the Fourth Proportional to 307,250,822.72, 424,038,994.20 and 188,252,387.32

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Solution

The fourth proportional to 307,250,822.72, 424,038,994.20 and 188,252,387.32 is: 259,808,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250,822.72 : 424,038,994.20 = 188,252,387.32 : x
  2. Step 2: Convert to fraction form
    307,250,822.72/424,038,994.20 = 188,252,387.32/x
  3. Step 3: Cross multiply
    307,250,822.72x = 424,038,994.20 × 188,252,387.32
  4. Step 4: Simplify right side
    307,250,822.72x = 79,826,352,974,921,632
  5. Step 5: Solve for x
    x = 79,826,352,974,921,632/307,250,822.72
  6. Step 6: Final answer
    x = 259,808,427.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.