Home / 434,588,111.80-651,882,167.70-143,500,161.40

Finding the Fourth Proportional to 434,588,111.80, 651,882,167.70 and 143,500,161.40

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Solution

The fourth proportional to 434,588,111.80, 651,882,167.70 and 143,500,161.40 is: 215,250,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,588,111.80 : 651,882,167.70 = 143,500,161.40 : x
  2. Step 2: Convert to fraction form
    434,588,111.80/651,882,167.70 = 143,500,161.40/x
  3. Step 3: Cross multiply
    434,588,111.80x = 651,882,167.70 × 143,500,161.40
  4. Step 4: Simplify right side
    434,588,111.80x = 93,545,196,278,731,872
  5. Step 5: Solve for x
    x = 93,545,196,278,731,872/434,588,111.80
  6. Step 6: Final answer
    x = 215,250,242.10

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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.