Home / 91,872,495.39-137,828,921.81-27,171,256.32

Finding the Fourth Proportional to 91,872,495.39, 137,828,921.81 and 27,171,256.32

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Solution

The fourth proportional to 91,872,495.39, 137,828,921.81 and 27,171,256.32 is: 40,762,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,872,495.39 : 137,828,921.81 = 27,171,256.32 : x
  2. Step 2: Convert to fraction form
    91,872,495.39/137,828,921.81 = 27,171,256.32/x
  3. Step 3: Cross multiply
    91,872,495.39x = 137,828,921.81 × 27,171,256.32
  4. Step 4: Simplify right side
    91,872,495.39x = 3,744,984,962,808,748.50
  5. Step 5: Solve for x
    x = 3,744,984,962,808,748.50/91,872,495.39
  6. Step 6: Final answer
    x = 40,762,852.33

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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.