Home / 218,073,312.90-327,109,969.35-145,513,901.70

Finding the Fourth Proportional to 218,073,312.90, 327,109,969.35 and 145,513,901.70

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Solution

The fourth proportional to 218,073,312.90, 327,109,969.35 and 145,513,901.70 is: 218,270,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,073,312.90 : 327,109,969.35 = 145,513,901.70 : x
  2. Step 2: Convert to fraction form
    218,073,312.90/327,109,969.35 = 145,513,901.70/x
  3. Step 3: Cross multiply
    218,073,312.90x = 327,109,969.35 × 145,513,901.70
  4. Step 4: Simplify right side
    218,073,312.90x = 47,599,047,925,085,912
  5. Step 5: Solve for x
    x = 47,599,047,925,085,912/218,073,312.90
  6. Step 6: Final answer
    x = 218,270,852.55

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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.