Home / 90,124,771.62-124,377,397.29-50,431,955.83

Finding the Fourth Proportional to 90,124,771.62, 124,377,397.29 and 50,431,955.83

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Solution

The fourth proportional to 90,124,771.62, 124,377,397.29 and 50,431,955.83 is: 69,599,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,124,771.62 : 124,377,397.29 = 50,431,955.83 : x
  2. Step 2: Convert to fraction form
    90,124,771.62/124,377,397.29 = 50,431,955.83/x
  3. Step 3: Cross multiply
    90,124,771.62x = 124,377,397.29 × 50,431,955.83
  4. Step 4: Simplify right side
    90,124,771.62x = 6,272,595,406,574,728
  5. Step 5: Solve for x
    x = 6,272,595,406,574,728/90,124,771.62
  6. Step 6: Final answer
    x = 69,599,015.83

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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.