Home / 181,011,007.80-271,516,511.70-66,078,034.20

Finding the Fourth Proportional to 181,011,007.80, 271,516,511.70 and 66,078,034.20

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Solution

The fourth proportional to 181,011,007.80, 271,516,511.70 and 66,078,034.20 is: 99,117,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,011,007.80 : 271,516,511.70 = 66,078,034.20 : x
  2. Step 2: Convert to fraction form
    181,011,007.80/271,516,511.70 = 66,078,034.20/x
  3. Step 3: Cross multiply
    181,011,007.80x = 271,516,511.70 × 66,078,034.20
  4. Step 4: Simplify right side
    181,011,007.80x = 17,941,277,345,977,300
  5. Step 5: Solve for x
    x = 17,941,277,345,977,300/181,011,007.80
  6. Step 6: Final answer
    x = 99,117,051.30

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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.