Home / 185,788,700.76-278,527,161.78-82,141,172.04

Finding the Fourth Proportional to 185,788,700.76, 278,527,161.78 and 82,141,172.04

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Solution

The fourth proportional to 185,788,700.76, 278,527,161.78 and 82,141,172.04 is: 123,142,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,788,700.76 : 278,527,161.78 = 82,141,172.04 : x
  2. Step 2: Convert to fraction form
    185,788,700.76/278,527,161.78 = 82,141,172.04/x
  3. Step 3: Cross multiply
    185,788,700.76x = 278,527,161.78 × 82,141,172.04
  4. Step 4: Simplify right side
    185,788,700.76x = 22,878,547,513,583,892
  5. Step 5: Solve for x
    x = 22,878,547,513,583,892/185,788,700.76
  6. Step 6: Final answer
    x = 123,142,836.03

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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.