Home / 197,732,178.81-296,390,646.05-66,528,907.20

Finding the Fourth Proportional to 197,732,178.81, 296,390,646.05 and 66,528,907.20

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Solution

The fourth proportional to 197,732,178.81, 296,390,646.05 and 66,528,907.20 is: 99,723,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,178.81 : 296,390,646.05 = 66,528,907.20 : x
  2. Step 2: Convert to fraction form
    197,732,178.81/296,390,646.05 = 66,528,907.20/x
  3. Step 3: Cross multiply
    197,732,178.81x = 296,390,646.05 × 66,528,907.20
  4. Step 4: Simplify right side
    197,732,178.81x = 19,718,545,785,675,856
  5. Step 5: Solve for x
    x = 19,718,545,785,675,856/197,732,178.81
  6. Step 6: Final answer
    x = 99,723,504.31

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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.