Home / 149,713,072.80-224,569,609.20-85,215,818.40

Finding the Fourth Proportional to 149,713,072.80, 224,569,609.20 and 85,215,818.40

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Solution

The fourth proportional to 149,713,072.80, 224,569,609.20 and 85,215,818.40 is: 127,823,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,713,072.80 : 224,569,609.20 = 85,215,818.40 : x
  2. Step 2: Convert to fraction form
    149,713,072.80/224,569,609.20 = 85,215,818.40/x
  3. Step 3: Cross multiply
    149,713,072.80x = 224,569,609.20 × 85,215,818.40
  4. Step 4: Simplify right side
    149,713,072.80x = 19,136,883,035,746,168
  5. Step 5: Solve for x
    x = 19,136,883,035,746,168/149,713,072.80
  6. Step 6: Final answer
    x = 127,823,727.60

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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.