Home / 161,763,415.20-242,645,122.80-71,064,151.20

Finding the Fourth Proportional to 161,763,415.20, 242,645,122.80 and 71,064,151.20

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Solution

The fourth proportional to 161,763,415.20, 242,645,122.80 and 71,064,151.20 is: 106,596,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763,415.20 : 242,645,122.80 = 71,064,151.20 : x
  2. Step 2: Convert to fraction form
    161,763,415.20/242,645,122.80 = 71,064,151.20/x
  3. Step 3: Cross multiply
    161,763,415.20x = 242,645,122.80 × 71,064,151.20
  4. Step 4: Simplify right side
    161,763,415.20x = 17,243,369,694,601,768
  5. Step 5: Solve for x
    x = 17,243,369,694,601,768/161,763,415.20
  6. Step 6: Final answer
    x = 106,596,226.80

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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.