Home / 144,820,813.32-199,859,902.74-89,834,384.52

Finding the Fourth Proportional to 144,820,813.32, 199,859,902.74 and 89,834,384.52

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Solution

The fourth proportional to 144,820,813.32, 199,859,902.74 and 89,834,384.52 is: 123,975,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,820,813.32 : 199,859,902.74 = 89,834,384.52 : x
  2. Step 2: Convert to fraction form
    144,820,813.32/199,859,902.74 = 89,834,384.52/x
  3. Step 3: Cross multiply
    144,820,813.32x = 199,859,902.74 × 89,834,384.52
  4. Step 4: Simplify right side
    144,820,813.32x = 17,954,291,352,874,962
  5. Step 5: Solve for x
    x = 17,954,291,352,874,962/144,820,813.32
  6. Step 6: Final answer
    x = 123,975,904.71

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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.