Home / 197,732,151.81-296,390,605.64-66,528,880.16

Finding the Fourth Proportional to 197,732,151.81, 296,390,605.64 and 66,528,880.16

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Solution

The fourth proportional to 197,732,151.81, 296,390,605.64 and 66,528,880.16 is: 99,723,463.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,151.81 : 296,390,605.64 = 66,528,880.16 : x
  2. Step 2: Convert to fraction form
    197,732,151.81/296,390,605.64 = 66,528,880.16/x
  3. Step 3: Cross multiply
    197,732,151.81x = 296,390,605.64 × 66,528,880.16
  4. Step 4: Simplify right side
    197,732,151.81x = 19,718,535,081,358,784
  5. Step 5: Solve for x
    x = 19,718,535,081,358,784/197,732,151.81
  6. Step 6: Final answer
    x = 99,723,463.79

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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.