Home / 90,161,727.40-135,242,591.10-61,463,913.40

Finding the Fourth Proportional to 90,161,727.40, 135,242,591.10 and 61,463,913.40

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Solution

The fourth proportional to 90,161,727.40, 135,242,591.10 and 61,463,913.40 is: 92,195,870.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,161,727.40 : 135,242,591.10 = 61,463,913.40 : x
  2. Step 2: Convert to fraction form
    90,161,727.40/135,242,591.10 = 61,463,913.40/x
  3. Step 3: Cross multiply
    90,161,727.40x = 135,242,591.10 × 61,463,913.40
  4. Step 4: Simplify right side
    90,161,727.40x = 8,312,538,907,362,010
  5. Step 5: Solve for x
    x = 8,312,538,907,362,010/90,161,727.40
  6. Step 6: Final answer
    x = 92,195,870.10

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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.