Home / 143,787,639.30-215,681,458.95-109,775,415.30

Finding the Fourth Proportional to 143,787,639.30, 215,681,458.95 and 109,775,415.30

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Solution

The fourth proportional to 143,787,639.30, 215,681,458.95 and 109,775,415.30 is: 164,663,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,787,639.30 : 215,681,458.95 = 109,775,415.30 : x
  2. Step 2: Convert to fraction form
    143,787,639.30/215,681,458.95 = 109,775,415.30/x
  3. Step 3: Cross multiply
    143,787,639.30x = 215,681,458.95 × 109,775,415.30
  4. Step 4: Simplify right side
    143,787,639.30x = 23,676,521,728,746,148
  5. Step 5: Solve for x
    x = 23,676,521,728,746,148/143,787,639.30
  6. Step 6: Final answer
    x = 164,663,122.95

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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.