Home / 129,504,302.80-194,256,454.20-65,007,048.40

Finding the Fourth Proportional to 129,504,302.80, 194,256,454.20 and 65,007,048.40

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Solution

The fourth proportional to 129,504,302.80, 194,256,454.20 and 65,007,048.40 is: 97,510,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504,302.80 : 194,256,454.20 = 65,007,048.40 : x
  2. Step 2: Convert to fraction form
    129,504,302.80/194,256,454.20 = 65,007,048.40/x
  3. Step 3: Cross multiply
    129,504,302.80x = 194,256,454.20 × 65,007,048.40
  4. Step 4: Simplify right side
    129,504,302.80x = 12,628,038,720,191,782
  5. Step 5: Solve for x
    x = 12,628,038,720,191,782/129,504,302.80
  6. Step 6: Final answer
    x = 97,510,572.60

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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.