Home / 90,337,720.84-135,509,527.22-43,003,981.08

Finding the Fourth Proportional to 90,337,720.84, 135,509,527.22 and 43,003,981.08

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Solution

The fourth proportional to 90,337,720.84, 135,509,527.22 and 43,003,981.08 is: 64,507,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,337,720.84 : 135,509,527.22 = 43,003,981.08 : x
  2. Step 2: Convert to fraction form
    90,337,720.84/135,509,527.22 = 43,003,981.08/x
  3. Step 3: Cross multiply
    90,337,720.84x = 135,509,527.22 × 43,003,981.08
  4. Step 4: Simplify right side
    90,337,720.84x = 5,827,449,144,728,625
  5. Step 5: Solve for x
    x = 5,827,449,144,728,625/90,337,720.84
  6. Step 6: Final answer
    x = 64,507,374.00

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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.