Home / 291,564,482.50-402,367,383.93-161,192,688.58

Finding the Fourth Proportional to 291,564,482.50, 402,367,383.93 and 161,192,688.58

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Solution

The fourth proportional to 291,564,482.50, 402,367,383.93 and 161,192,688.58 is: 222,450,553.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,564,482.50 : 402,367,383.93 = 161,192,688.58 : x
  2. Step 2: Convert to fraction form
    291,564,482.50/402,367,383.93 = 161,192,688.58/x
  3. Step 3: Cross multiply
    291,564,482.50x = 402,367,383.93 × 161,192,688.58
  4. Step 4: Simplify right side
    291,564,482.50x = 64,858,680,412,577,792
  5. Step 5: Solve for x
    x = 64,858,680,412,577,792/291,564,482.50
  6. Step 6: Final answer
    x = 222,450,553.16

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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.