Home / 192,019,087.08-287,911,989.54-75,294,595.44

Finding the Fourth Proportional to 192,019,087.08, 287,911,989.54 and 75,294,595.44

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Solution

The fourth proportional to 192,019,087.08, 287,911,989.54 and 75,294,595.44 is: 112,896,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,087.08 : 287,911,989.54 = 75,294,595.44 : x
  2. Step 2: Convert to fraction form
    192,019,087.08/287,911,989.54 = 75,294,595.44/x
  3. Step 3: Cross multiply
    192,019,087.08x = 287,911,989.54 × 75,294,595.44
  4. Step 4: Simplify right side
    192,019,087.08x = 21,678,216,774,739,812
  5. Step 5: Solve for x
    x = 21,678,216,774,739,812/192,019,087.08
  6. Step 6: Final answer
    x = 112,896,155.82

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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.