Home / 293,559,680.40-440,339,520.60-89,087,427.60

Finding the Fourth Proportional to 293,559,680.40, 440,339,520.60 and 89,087,427.60

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Solution

The fourth proportional to 293,559,680.40, 440,339,520.60 and 89,087,427.60 is: 133,631,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,559,680.40 : 440,339,520.60 = 89,087,427.60 : x
  2. Step 2: Convert to fraction form
    293,559,680.40/440,339,520.60 = 89,087,427.60/x
  3. Step 3: Cross multiply
    293,559,680.40x = 440,339,520.60 × 89,087,427.60
  4. Step 4: Simplify right side
    293,559,680.40x = 39,228,715,160,871,208
  5. Step 5: Solve for x
    x = 39,228,715,160,871,208/293,559,680.40
  6. Step 6: Final answer
    x = 133,631,141.40

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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.