Home / 145,256,966.64-200,448,582.48-79,176,011.04

Finding the Fourth Proportional to 145,256,966.64, 200,448,582.48 and 79,176,011.04

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Solution

The fourth proportional to 145,256,966.64, 200,448,582.48 and 79,176,011.04 is: 109,259,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,256,966.64 : 200,448,582.48 = 79,176,011.04 : x
  2. Step 2: Convert to fraction form
    145,256,966.64/200,448,582.48 = 79,176,011.04/x
  3. Step 3: Cross multiply
    145,256,966.64x = 200,448,582.48 × 79,176,011.04
  4. Step 4: Simplify right side
    145,256,966.64x = 15,870,719,179,388,832
  5. Step 5: Solve for x
    x = 15,870,719,179,388,832/145,256,966.64
  6. Step 6: Final answer
    x = 109,259,607.62

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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.