Home / 129,431,814.85-193,438,516.04-94,490,510.40

Finding the Fourth Proportional to 129,431,814.85, 193,438,516.04 and 94,490,510.40

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Solution

The fourth proportional to 129,431,814.85, 193,438,516.04 and 94,490,510.40 is: 141,218,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,431,814.85 : 193,438,516.04 = 94,490,510.40 : x
  2. Step 2: Convert to fraction form
    129,431,814.85/193,438,516.04 = 94,490,510.40/x
  3. Step 3: Cross multiply
    129,431,814.85x = 193,438,516.04 × 94,490,510.40
  4. Step 4: Simplify right side
    129,431,814.85x = 18,278,104,111,638,188
  5. Step 5: Solve for x
    x = 18,278,104,111,638,188/129,431,814.85
  6. Step 6: Final answer
    x = 141,218,016.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.