Home / 55,665,720.20-83,356,862.70-53,114,803.40

Finding the Fourth Proportional to 55,665,720.20, 83,356,862.70 and 53,114,803.40

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Solution

The fourth proportional to 55,665,720.20, 83,356,862.70 and 53,114,803.40 is: 79,536,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,665,720.20 : 83,356,862.70 = 53,114,803.40 : x
  2. Step 2: Convert to fraction form
    55,665,720.20/83,356,862.70 = 53,114,803.40/x
  3. Step 3: Cross multiply
    55,665,720.20x = 83,356,862.70 × 53,114,803.40
  4. Step 4: Simplify right side
    55,665,720.20x = 4,427,483,374,351,293
  5. Step 5: Solve for x
    x = 4,427,483,374,351,293/55,665,720.20
  6. Step 6: Final answer
    x = 79,536,981.80

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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.