Home / 87,912,340.89-131,880,637.70-51,041,595.05

Finding the Fourth Proportional to 87,912,340.89, 131,880,637.70 and 51,041,595.05

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Solution

The fourth proportional to 87,912,340.89, 131,880,637.70 and 51,041,595.05 is: 76,569,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,912,340.89 : 131,880,637.70 = 51,041,595.05 : x
  2. Step 2: Convert to fraction form
    87,912,340.89/131,880,637.70 = 51,041,595.05/x
  3. Step 3: Cross multiply
    87,912,340.89x = 131,880,637.70 × 51,041,595.05
  4. Step 4: Simplify right side
    87,912,340.89x = 6,731,398,104,477,875
  5. Step 5: Solve for x
    x = 6,731,398,104,477,875/87,912,340.89
  6. Step 6: Final answer
    x = 76,569,433.10

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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.