Home / 206,282,360.94-309,389,905.90-60,681,870.92

Finding the Fourth Proportional to 206,282,360.94, 309,389,905.90 and 60,681,870.92

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Solution

The fourth proportional to 206,282,360.94, 309,389,905.90 and 60,681,870.92 is: 91,012,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,282,360.94 : 309,389,905.90 = 60,681,870.92 : x
  2. Step 2: Convert to fraction form
    206,282,360.94/309,389,905.90 = 60,681,870.92/x
  3. Step 3: Cross multiply
    206,282,360.94x = 309,389,905.90 × 60,681,870.92
  4. Step 4: Simplify right side
    206,282,360.94x = 18,774,358,333,774,744
  5. Step 5: Solve for x
    x = 18,774,358,333,774,744/206,282,360.94
  6. Step 6: Final answer
    x = 91,012,911.86

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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.