Home / 91,078,580.87-136,585,905.28-25,482,091.67

Finding the Fourth Proportional to 91,078,580.87, 136,585,905.28 and 25,482,091.67

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Solution

The fourth proportional to 91,078,580.87, 136,585,905.28 and 25,482,091.67 is: 38,214,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,078,580.87 : 136,585,905.28 = 25,482,091.67 : x
  2. Step 2: Convert to fraction form
    91,078,580.87/136,585,905.28 = 25,482,091.67/x
  3. Step 3: Cross multiply
    91,078,580.87x = 136,585,905.28 × 25,482,091.67
  4. Step 4: Simplify right side
    91,078,580.87x = 3,480,494,559,047,487
  5. Step 5: Solve for x
    x = 3,480,494,559,047,487/91,078,580.87
  6. Step 6: Final answer
    x = 38,214,194.00

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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.