Home / 197,732,142.93-296,390,592.39-66,528,871.31

Finding the Fourth Proportional to 197,732,142.93, 296,390,592.39 and 66,528,871.31

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Solution

The fourth proportional to 197,732,142.93, 296,390,592.39 and 66,528,871.31 is: 99,723,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,142.93 : 296,390,592.39 = 66,528,871.31 : x
  2. Step 2: Convert to fraction form
    197,732,142.93/296,390,592.39 = 66,528,871.31/x
  3. Step 3: Cross multiply
    197,732,142.93x = 296,390,592.39 × 66,528,871.31
  4. Step 4: Simplify right side
    197,732,142.93x = 19,718,531,579,349,952
  5. Step 5: Solve for x
    x = 19,718,531,579,349,952/197,732,142.93
  6. Step 6: Final answer
    x = 99,723,450.56

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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.