Home / 56,419,881.80-84,629,822.70-53,018,659.40

Finding the Fourth Proportional to 56,419,881.80, 84,629,822.70 and 53,018,659.40

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Solution

The fourth proportional to 56,419,881.80, 84,629,822.70 and 53,018,659.40 is: 79,527,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,419,881.80 : 84,629,822.70 = 53,018,659.40 : x
  2. Step 2: Convert to fraction form
    56,419,881.80/84,629,822.70 = 53,018,659.40/x
  3. Step 3: Cross multiply
    56,419,881.80x = 84,629,822.70 × 53,018,659.40
  4. Step 4: Simplify right side
    56,419,881.80x = 4,486,959,744,813,688.50
  5. Step 5: Solve for x
    x = 4,486,959,744,813,688.50/56,419,881.80
  6. Step 6: Final answer
    x = 79,527,989.10

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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.