Home / 99,839,742.71-149,775,706.20-30,752,513.96

Finding the Fourth Proportional to 99,839,742.71, 149,775,706.20 and 30,752,513.96

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Solution

The fourth proportional to 99,839,742.71, 149,775,706.20 and 30,752,513.96 is: 46,133,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,839,742.71 : 149,775,706.20 = 30,752,513.96 : x
  2. Step 2: Convert to fraction form
    99,839,742.71/149,775,706.20 = 30,752,513.96/x
  3. Step 3: Cross multiply
    99,839,742.71x = 149,775,706.20 × 30,752,513.96
  4. Step 4: Simplify right side
    99,839,742.71x = 4,605,979,495,784,358
  5. Step 5: Solve for x
    x = 4,605,979,495,784,358/99,839,742.71
  6. Step 6: Final answer
    x = 46,133,727.62

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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.