Home / 152,995,020.50-211,133,843.29-86,919,144.53

Finding the Fourth Proportional to 152,995,020.50, 211,133,843.29 and 86,919,144.53

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Solution

The fourth proportional to 152,995,020.50, 211,133,843.29 and 86,919,144.53 is: 119,948,825.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,995,020.50 : 211,133,843.29 = 86,919,144.53 : x
  2. Step 2: Convert to fraction form
    152,995,020.50/211,133,843.29 = 86,919,144.53/x
  3. Step 3: Cross multiply
    152,995,020.50x = 211,133,843.29 × 86,919,144.53
  4. Step 4: Simplify right side
    152,995,020.50x = 18,351,573,038,824,916
  5. Step 5: Solve for x
    x = 18,351,573,038,824,916/152,995,020.50
  6. Step 6: Final answer
    x = 119,948,825.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.